delete comments properly when deleting users

Reviewed-on: https://git.joinplu.me/Plume/Plume/pulls/1143

Cargo.lock

@@ -219,9 +219,9 @@ dependencies = [
 
 [[package]]
 name = "atom_syndication"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21fb6a0b39c6517edafe46f8137e53c51742425a4dae1c73ee12264a37ad7541"
+checksum = "91a85f2ee28cbd1ecf91288460f6dc74661fd99b4e9a559836a667ccf63aa38c"
 dependencies = [
  "chrono",
  "derive_builder",
@@ -947,9 +947,9 @@ dependencies = [
 
 [[package]]
 name = "darling"
-version = "0.12.4"
+version = "0.14.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f2c43f534ea4b0b049015d00269734195e6d3f0f6635cb692251aca6f9f8b3c"
+checksum = "b0dd3cd20dc6b5a876612a6e5accfe7f3dd883db6d07acfbf14c128f61550dfa"
 dependencies = [
  "darling_core",
  "darling_macro",
@@ -957,9 +957,9 @@ dependencies = [
 
 [[package]]
 name = "darling_core"
-version = "0.12.4"
+version = "0.14.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e91455b86830a1c21799d94524df0845183fa55bafd9aa137b01c7d1065fa36"
+checksum = "a784d2ccaf7c98501746bf0be29b2022ba41fd62a2e622af997a03e9f972859f"
 dependencies = [
  "fnv",
  "ident_case",
@@ -971,9 +971,9 @@ dependencies = [
 
 [[package]]
 name = "darling_macro"
-version = "0.12.4"
+version = "0.14.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29b5acf0dea37a7f66f7b25d2c5e93fd46f8f6968b1a5d7a3e02e97768afc95a"
+checksum = "7618812407e9402654622dd402b0a89dff9ba93badd6540781526117b92aab7e"
 dependencies = [
  "darling_core",
  "quote 1.0.23",
@@ -1024,18 +1024,18 @@ dependencies = [
 
 [[package]]
 name = "derive_builder"
-version = "0.10.2"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d13202debe11181040ae9063d739fa32cfcaaebe2275fe387703460ae2365b30"
+checksum = "8d67778784b508018359cbc8696edb3db78160bab2c2a28ba7f56ef6932997f8"
 dependencies = [
  "derive_builder_macro",
 ]
 
 [[package]]
 name = "derive_builder_core"
-version = "0.10.2"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66e616858f6187ed828df7c64a6d71720d83767a7f19740b2d1b6fe6327b36e5"
+checksum = "c11bdc11a0c47bc7d37d582b5285da6849c96681023680b906673c5707af7b0f"
 dependencies = [
  "darling",
  "proc-macro2 1.0.49",
@@ -1045,9 +1045,9 @@ dependencies = [
 
 [[package]]
 name = "derive_builder_macro"
-version = "0.10.2"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58a94ace95092c5acb1e97a7e846b310cfbd499652f72297da7493f618a98d73"
+checksum = "ebcda35c7a396850a55ffeac740804b40ffec779b98fffbb1738f4033f0ee79e"
 dependencies = [
  "derive_builder_core",
  "syn 1.0.107",
@@ -1632,9 +1632,9 @@ checksum = "dec7af912d60cdbd3677c1af9352ebae6fb8394d165568a2234df0fa00f87793"
 
 [[package]]
 name = "glob"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
 
 [[package]]
 name = "guid"
@@ -3554,9 +3554,9 @@ checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
 [[package]]
 name = "quick-xml"
-version = "0.22.0"
+version = "0.27.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8533f14c8382aaad0d592c812ac3b826162128b65662331e1127b45c3d18536b"
+checksum = "ffc053f057dd768a56f62cd7e434c42c831d296968997e9ac1f76ea7c2d14c41"
 dependencies = [
  "encoding_rs",
  "memchr",
@@ -4124,10 +4124,11 @@ dependencies = [
 
 [[package]]
 name = "rsass"
-version = "0.25.2"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ab003a9ff922b4d7b1f5f383bc54645887ad278f534dfc65e071096fcb30023"
+checksum = "665387d3be91521de331a04cc7118c8c129ffe43c5f4e8a61e78990850046b5a"
 dependencies = [
+ "arc-swap",
  "fastrand",
  "lazy_static",
  "nom 7.1.2",
@@ -4141,9 +4142,9 @@ dependencies = [
 
 [[package]]
 name = "ructe"
-version = "0.14.2"
+version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef279e568db5dad3a1867112fedc63e2f0567991e82beec01c04ade6bd53c08a"
+checksum = "85517cd381cf0c34694881d8aaf173107c6af7670e66cec18d7a1a8bfce3b758"
 dependencies = [
  "base64 0.13.1",
  "bytecount",

Cargo.toml

@@ -6,7 +6,7 @@ repository = "https://github.com/Plume-org/Plume"
 edition = "2018"
 
 [dependencies]
-atom_syndication = "0.11.0"
+atom_syndication = "0.12.0"
 clap = "2.33"
 dotenv = "0.15.0"
 gettext = "0.4.0"
@@ -64,8 +64,8 @@ git = "https://git.joinplu.me/plume/rocket_csrf"
 rev = "0.1.2"
 
 [build-dependencies]
-ructe = "0.14.0"
-rsass = "0.25"
+ructe = "0.15.0"
+rsass = "0.26"
 
 [features]
 default = ["postgres"]

plume-cli/src/list.rs

@@ -0,0 +1,262 @@
+use clap::{App, Arg, ArgMatches, SubCommand};
+
+use plume_models::{blogs::Blog, instance::Instance, lists::*, users::User, Connection};
+
+pub fn command<'a, 'b>() -> App<'a, 'b> {
+    SubCommand::with_name("lists")
+        .about("Manage lists")
+        .subcommand(
+            SubCommand::with_name("new")
+                .arg(
+                    Arg::with_name("name")
+                        .short("n")
+                        .long("name")
+                        .takes_value(true)
+                        .help("The name of this list"),
+                )
+                .arg(
+                    Arg::with_name("type")
+                        .short("t")
+                        .long("type")
+                        .takes_value(true)
+                        .help(
+                            r#"The type of this list (one of "user", "blog", "word" or "prefix")"#,
+                        ),
+                )
+                .arg(
+                    Arg::with_name("user")
+                        .short("u")
+                        .long("user")
+                        .takes_value(true)
+                        .help("Username of whom this list is for. Empty for an instance list"),
+                )
+                .about("Create a new list"),
+        )
+        .subcommand(
+            SubCommand::with_name("delete")
+                .arg(
+                    Arg::with_name("name")
+                        .short("n")
+                        .long("name")
+                        .takes_value(true)
+                        .help("The name of the list to delete"),
+                )
+                .arg(
+                    Arg::with_name("user")
+                        .short("u")
+                        .long("user")
+                        .takes_value(true)
+                        .help("Username of whom this list was for. Empty for instance list"),
+                )
+                .arg(
+                    Arg::with_name("yes")
+                        .short("y")
+                        .long("yes")
+                        .help("Confirm the deletion"),
+                )
+                .about("Delete a list"),
+        )
+        .subcommand(
+            SubCommand::with_name("add")
+                .arg(
+                    Arg::with_name("name")
+                        .short("n")
+                        .long("name")
+                        .takes_value(true)
+                        .help("The name of the list to add an element to"),
+                )
+                .arg(
+                    Arg::with_name("user")
+                        .short("u")
+                        .long("user")
+                        .takes_value(true)
+                        .help("Username of whom this list is for. Empty for instance list"),
+                )
+                .arg(
+                    Arg::with_name("value")
+                        .short("v")
+                        .long("value")
+                        .takes_value(true)
+                        .help("The value to add"),
+                )
+                .about("Add element to a list"),
+        )
+        .subcommand(
+            SubCommand::with_name("rm")
+                .arg(
+                    Arg::with_name("name")
+                        .short("n")
+                        .long("name")
+                        .takes_value(true)
+                        .help("The name of the list to remove an element from"),
+                )
+                .arg(
+                    Arg::with_name("user")
+                        .short("u")
+                        .long("user")
+                        .takes_value(true)
+                        .help("Username of whom this list is for. Empty for instance list"),
+                )
+                .arg(
+                    Arg::with_name("value")
+                        .short("v")
+                        .long("value")
+                        .takes_value(true)
+                        .help("The value to remove"),
+                )
+                .about("Remove element from list"),
+        )
+}
+
+pub fn run<'a>(args: &ArgMatches<'a>, conn: &Connection) {
+    let conn = conn;
+    match args.subcommand() {
+        ("new", Some(x)) => new(x, conn),
+        ("delete", Some(x)) => delete(x, conn),
+        ("add", Some(x)) => add(x, conn),
+        ("rm", Some(x)) => rm(x, conn),
+        ("", None) => command().print_help().unwrap(),
+        _ => println!("Unknown subcommand"),
+    }
+}
+
+fn get_list_identifier(args: &ArgMatches<'_>) -> (String, Option<String>) {
+    let name = args
+        .value_of("name")
+        .map(String::from)
+        .expect("No name provided for the list");
+    let user = args.value_of("user").map(String::from);
+    (name, user)
+}
+
+fn get_list_type(args: &ArgMatches<'_>) -> ListType {
+    let typ = args
+        .value_of("type")
+        .map(String::from)
+        .expect("No name type for the list");
+    match typ.as_str() {
+        "user" => ListType::User,
+        "blog" => ListType::Blog,
+        "word" => ListType::Word,
+        "prefix" => ListType::Prefix,
+        _ => panic!("Invalid list type: {}", typ),
+    }
+}
+
+fn get_value(args: &ArgMatches<'_>) -> String {
+    args.value_of("value")
+        .map(String::from)
+        .expect("No query provided")
+}
+
+fn resolve_user(username: &str, conn: &Connection) -> User {
+    let instance = Instance::get_local_uncached(conn).expect("Failed to load local instance");
+
+    User::find_by_name(conn, username, instance.id).expect("User not found")
+}
+
+fn new(args: &ArgMatches<'_>, conn: &Connection) {
+    let (name, user) = get_list_identifier(args);
+    let typ = get_list_type(args);
+
+    let user = user.map(|user| resolve_user(&user, conn));
+
+    List::new(conn, &name, user.as_ref(), typ).expect("failed to create list");
+}
+
+fn delete(args: &ArgMatches<'_>, conn: &Connection) {
+    let (name, user) = get_list_identifier(args);
+
+    if !args.is_present("yes") {
+        panic!("Warning, this operation is destructive. Add --yes to confirm you want to do it.")
+    }
+
+    let user = user.map(|user| resolve_user(&user, conn));
+
+    let list =
+        List::find_for_user_by_name(conn, user.map(|u| u.id), &name).expect("list not found");
+
+    list.delete(conn).expect("Failed to update list");
+}
+
+fn add(args: &ArgMatches<'_>, conn: &Connection) {
+    let (name, user) = get_list_identifier(args);
+    let value = get_value(args);
+
+    let user = user.map(|user| resolve_user(&user, conn));
+
+    let list =
+        List::find_for_user_by_name(conn, user.map(|u| u.id), &name).expect("list not found");
+
+    match list.kind() {
+        ListType::Blog => {
+            let blog_id = Blog::find_by_fqn(conn, &value).expect("unknown blog").id;
+            if !list.contains_blog(conn, blog_id).unwrap() {
+                list.add_blogs(conn, &[blog_id]).unwrap();
+            }
+        }
+        ListType::User => {
+            let user_id = User::find_by_fqn(conn, &value).expect("unknown user").id;
+            if !list.contains_user(conn, user_id).unwrap() {
+                list.add_users(conn, &[user_id]).unwrap();
+            }
+        }
+        ListType::Word => {
+            if !list.contains_word(conn, &value).unwrap() {
+                list.add_words(conn, &[&value]).unwrap();
+            }
+        }
+        ListType::Prefix => {
+            if !list.contains_prefix(conn, &value).unwrap() {
+                list.add_prefixes(conn, &[&value]).unwrap();
+            }
+        }
+    }
+}
+
+fn rm(args: &ArgMatches<'_>, conn: &Connection) {
+    let (name, user) = get_list_identifier(args);
+    let value = get_value(args);
+
+    let user = user.map(|user| resolve_user(&user, conn));
+
+    let list =
+        List::find_for_user_by_name(conn, user.map(|u| u.id), &name).expect("list not found");
+
+    match list.kind() {
+        ListType::Blog => {
+            let blog_id = Blog::find_by_fqn(conn, &value).expect("unknown blog").id;
+            let mut blogs = list.list_blogs(conn).unwrap();
+            if let Some(index) = blogs.iter().position(|b| b.id == blog_id) {
+                blogs.swap_remove(index);
+                let blogs = blogs.iter().map(|b| b.id).collect::<Vec<_>>();
+                list.set_blogs(conn, &blogs).unwrap();
+            }
+        }
+        ListType::User => {
+            let user_id = User::find_by_fqn(conn, &value).expect("unknown user").id;
+            let mut users = list.list_users(conn).unwrap();
+            if let Some(index) = users.iter().position(|u| u.id == user_id) {
+                users.swap_remove(index);
+                let users = users.iter().map(|u| u.id).collect::<Vec<_>>();
+                list.set_users(conn, &users).unwrap();
+            }
+        }
+        ListType::Word => {
+            let mut words = list.list_words(conn).unwrap();
+            if let Some(index) = words.iter().position(|w| *w == value) {
+                words.swap_remove(index);
+                let words = words.iter().map(String::as_str).collect::<Vec<_>>();
+                list.set_words(conn, &words).unwrap();
+            }
+        }
+        ListType::Prefix => {
+            let mut prefixes = list.list_prefixes(conn).unwrap();
+            if let Some(index) = prefixes.iter().position(|p| *p == value) {
+                prefixes.swap_remove(index);
+                let prefixes = prefixes.iter().map(String::as_str).collect::<Vec<_>>();
+                list.set_prefixes(conn, &prefixes).unwrap();
+            }
+        }
+    }
+}

plume-cli/src/main.rs

@@ -4,8 +4,10 @@ use plume_models::{instance::Instance, Connection as Conn, CONFIG};
 use std::io::{self, prelude::*};
 
 mod instance;
+mod list;
 mod migration;
 mod search;
+mod timeline;
 mod users;
 
 fn main() {
@@ -16,6 +18,8 @@ fn main() {
         .subcommand(instance::command())
         .subcommand(migration::command())
         .subcommand(search::command())
+        .subcommand(timeline::command())
+        .subcommand(list::command())
         .subcommand(users::command());
     let matches = app.clone().get_matches();
 
@@ -37,6 +41,10 @@ fn main() {
         ("search", Some(args)) => {
             search::run(args, &conn.expect("Couldn't connect to the database."))
         }
+        ("timeline", Some(args)) => {
+            timeline::run(args, &conn.expect("Couldn't connect to the database."))
+        }
+        ("lists", Some(args)) => list::run(args, &conn.expect("Couldn't connect to the database.")),
         ("users", Some(args)) => {
             users::run(args, &conn.expect("Couldn't connect to the database."))
         }

plume-cli/src/timeline.rs

@@ -0,0 +1,257 @@
+use clap::{App, Arg, ArgMatches, SubCommand};
+
+use plume_models::{instance::Instance, posts::Post, timeline::*, users::*, Connection};
+
+pub fn command<'a, 'b>() -> App<'a, 'b> {
+    SubCommand::with_name("timeline")
+        .about("Manage public timeline")
+        .subcommand(
+            SubCommand::with_name("new")
+                .arg(
+                    Arg::with_name("name")
+                        .short("n")
+                        .long("name")
+                        .takes_value(true)
+                        .help("The name of this timeline"),
+                )
+                .arg(
+                    Arg::with_name("query")
+                        .short("q")
+                        .long("query")
+                        .takes_value(true)
+                        .help("The query posts in this timelines have to match"),
+                )
+                .arg(
+                    Arg::with_name("user")
+                        .short("u")
+                        .long("user")
+                        .takes_value(true)
+                        .help(
+                            "Username of whom this timeline is for. Empty for an instance timeline",
+                        ),
+                )
+                .arg(
+                    Arg::with_name("preload-count")
+                        .short("p")
+                        .long("preload-count")
+                        .takes_value(true)
+                        .help("Number of posts to try to preload in this timeline at its creation"),
+                )
+                .about("Create a new timeline"),
+        )
+        .subcommand(
+            SubCommand::with_name("delete")
+                .arg(
+                    Arg::with_name("name")
+                        .short("n")
+                        .long("name")
+                        .takes_value(true)
+                        .help("The name of the timeline to delete"),
+                )
+                .arg(
+                    Arg::with_name("user")
+                        .short("u")
+                        .long("user")
+                        .takes_value(true)
+                        .help(
+                            "Username of whom this timeline was for. Empty for instance timeline",
+                        ),
+                )
+                .arg(
+                    Arg::with_name("yes")
+                        .short("y")
+                        .long("yes")
+                        .help("Confirm the deletion"),
+                )
+                .about("Delete a timeline"),
+        )
+        .subcommand(
+            SubCommand::with_name("edit")
+                .arg(
+                    Arg::with_name("name")
+                        .short("n")
+                        .long("name")
+                        .takes_value(true)
+                        .help("The name of the timeline to edit"),
+                )
+                .arg(
+                    Arg::with_name("user")
+                        .short("u")
+                        .long("user")
+                        .takes_value(true)
+                        .help("Username of whom this timeline is for. Empty for instance timeline"),
+                )
+                .arg(
+                    Arg::with_name("query")
+                        .short("q")
+                        .long("query")
+                        .takes_value(true)
+                        .help("The query posts in this timelines have to match"),
+                )
+                .about("Edit the query of a timeline"),
+        )
+        .subcommand(
+            SubCommand::with_name("repopulate")
+                .arg(
+                    Arg::with_name("name")
+                        .short("n")
+                        .long("name")
+                        .takes_value(true)
+                        .help("The name of the timeline to repopulate"),
+                )
+                .arg(
+                    Arg::with_name("user")
+                        .short("u")
+                        .long("user")
+                        .takes_value(true)
+                        .help(
+                            "Username of whom this timeline was for. Empty for instance timeline",
+                        ),
+                )
+                .arg(
+                    Arg::with_name("preload-count")
+                        .short("p")
+                        .long("preload-count")
+                        .takes_value(true)
+                        .help("Number of posts to try to preload in this timeline at its creation"),
+                )
+                .about("Repopulate a timeline. Run this after modifying a list the timeline depends on."),
+        )
+}
+
+pub fn run<'a>(args: &ArgMatches<'a>, conn: &Connection) {
+    let conn = conn;
+    match args.subcommand() {
+        ("new", Some(x)) => new(x, conn),
+        ("edit", Some(x)) => edit(x, conn),
+        ("delete", Some(x)) => delete(x, conn),
+        ("repopulate", Some(x)) => repopulate(x, conn),
+        ("", None) => command().print_help().unwrap(),
+        _ => println!("Unknown subcommand"),
+    }
+}
+
+fn get_timeline_identifier(args: &ArgMatches<'_>) -> (String, Option<String>) {
+    let name = args
+        .value_of("name")
+        .map(String::from)
+        .expect("No name provided for the timeline");
+    let user = args.value_of("user").map(String::from);
+    (name, user)
+}
+
+fn get_query(args: &ArgMatches<'_>) -> String {
+    let query = args
+        .value_of("query")
+        .map(String::from)
+        .expect("No query provided");
+
+    match TimelineQuery::parse(&query) {
+        Ok(_) => (),
+        Err(QueryError::SyntaxError(start, end, message)) => panic!(
+            "Query parsing error between {} and {}: {}",
+            start, end, message
+        ),
+        Err(QueryError::UnexpectedEndOfQuery) => {
+            panic!("Query parsing error: unexpected end of query")
+        }
+        Err(QueryError::RuntimeError(message)) => panic!("Query parsing error: {}", message),
+    }
+
+    query
+}
+
+fn get_preload_count(args: &ArgMatches<'_>) -> usize {
+    args.value_of("preload-count")
+        .map(|arg| arg.parse().expect("invalid preload-count"))
+        .unwrap_or(plume_models::ITEMS_PER_PAGE as usize)
+}
+
+fn resolve_user(username: &str, conn: &Connection) -> User {
+    let instance = Instance::get_local_uncached(conn).expect("Failed to load local instance");
+
+    User::find_by_name(conn, username, instance.id).expect("User not found")
+}
+
+fn preload(timeline: Timeline, count: usize, conn: &Connection) {
+    timeline.remove_all_posts(conn).unwrap();
+
+    if count == 0 {
+        return;
+    }
+
+    let mut posts = Vec::with_capacity(count as usize);
+    for post in Post::list_filtered(conn, None, None, None)
+        .unwrap()
+        .into_iter()
+        .rev()
+    {
+        if timeline.matches(conn, &post, Kind::Original).unwrap() {
+            posts.push(post);
+            if posts.len() >= count {
+                break;
+            }
+        }
+    }
+
+    for post in posts.iter().rev() {
+        timeline.add_post(conn, post).unwrap();
+    }
+}
+
+fn new(args: &ArgMatches<'_>, conn: &Connection) {
+    let (name, user) = get_timeline_identifier(args);
+    let query = get_query(args);
+    let preload_count = get_preload_count(args);
+
+    let user = user.map(|user| resolve_user(&user, conn));
+
+    let timeline = if let Some(user) = user {
+        Timeline::new_for_user(conn, user.id, name, query)
+    } else {
+        Timeline::new_for_instance(conn, name, query)
+    }
+    .expect("Failed to create new timeline");
+
+    preload(timeline, preload_count, conn);
+}
+
+fn edit(args: &ArgMatches<'_>, conn: &Connection) {
+    let (name, user) = get_timeline_identifier(args);
+    let query = get_query(args);
+
+    let user = user.map(|user| resolve_user(&user, conn));
+
+    let mut timeline = Timeline::find_for_user_by_name(conn, user.map(|u| u.id), &name)
+        .expect("timeline not found");
+
+    timeline.query = query;
+
+    timeline.update(conn).expect("Failed to update timeline");
+}
+
+fn delete(args: &ArgMatches<'_>, conn: &Connection) {
+    let (name, user) = get_timeline_identifier(args);
+
+    if !args.is_present("yes") {
+        panic!("Warning, this operation is destructive. Add --yes to confirm you want to do it.")
+    }
+
+    let user = user.map(|user| resolve_user(&user, conn));
+
+    let timeline = Timeline::find_for_user_by_name(conn, user.map(|u| u.id), &name)
+        .expect("timeline not found");
+
+    timeline.delete(conn).expect("Failed to update timeline");
+}
+
+fn repopulate(args: &ArgMatches<'_>, conn: &Connection) {
+    let (name, user) = get_timeline_identifier(args);
+    let preload_count = get_preload_count(args);
+
+    let user = user.map(|user| resolve_user(&user, conn));
+
+    let timeline = Timeline::find_for_user_by_name(conn, user.map(|u| u.id), &name)
+        .expect("timeline not found");
+    preload(timeline, preload_count, conn);
+}

plume-models/Cargo.toml

@@ -27,7 +27,7 @@ webfinger = "0.4.1"
 whatlang = "0.16.2"
 shrinkwraprs = "0.3.0"
 diesel-derive-newtype = "1.0.0"
-glob = "0.3.0"
+glob = "0.3.1"
 lindera-tantivy = { version = "0.7.1", optional = true }
 tracing = "0.1.35"
 riker = "0.4.2"

plume-models/src/blogs.rs

@@ -1,6 +1,6 @@
 use crate::{
-    db_conn::DbConn, instance::*, medias::Media, posts::Post, safe_string::SafeString,
-    schema::blogs, users::User, Connection, Error, PlumeRocket, Result, CONFIG, ITEMS_PER_PAGE,
+    instance::*, medias::Media, posts::Post, safe_string::SafeString, schema::blogs, users::User,
+    Connection, Error, PlumeRocket, Result, CONFIG, ITEMS_PER_PAGE,
 };
 use activitystreams::{
     actor::{ApActor, ApActorExt, AsApActor, Group},
@@ -142,10 +142,10 @@ impl Blog {
             .map_err(Error::from)
     }
 
-    pub fn find_by_fqn(conn: &DbConn, fqn: &str) -> Result<Blog> {
+    pub fn find_by_fqn(conn: &Connection, fqn: &str) -> Result<Blog> {
         let from_db = blogs::table
             .filter(blogs::fqn.eq(fqn))
-            .first(&**conn)
+            .first(conn)
             .optional()?;
         if let Some(from_db) = from_db {
             Ok(from_db)
@@ -154,7 +154,7 @@ impl Blog {
         }
     }
 
-    fn fetch_from_webfinger(conn: &DbConn, acct: &str) -> Result<Blog> {
+    fn fetch_from_webfinger(conn: &Connection, acct: &str) -> Result<Blog> {
         resolve_with_prefix(Prefix::Group, acct.to_owned(), true)?
             .links
             .into_iter()
@@ -372,15 +372,15 @@ impl IntoId for Blog {
     }
 }
 
-impl FromId<DbConn> for Blog {
+impl FromId<Connection> for Blog {
     type Error = Error;
     type Object = CustomGroup;
 
-    fn from_db(conn: &DbConn, id: &str) -> Result<Self> {
+    fn from_db(conn: &Connection, id: &str) -> Result<Self> {
         Self::find_by_ap_url(conn, id)
     }
 
-    fn from_activity(conn: &DbConn, acct: CustomGroup) -> Result<Self> {
+    fn from_activity(conn: &Connection, acct: CustomGroup) -> Result<Self> {
         let (name, outbox_url, inbox_url) = {
             let actor = acct.ap_actor_ref();
             let name = actor

plume-models/src/comments.rs

@@ -1,6 +1,5 @@
 use crate::{
     comment_seers::{CommentSeers, NewCommentSeers},
-    db_conn::DbConn,
     instance::Instance,
     medias::Media,
     mentions::Mention,
@@ -74,6 +73,7 @@ impl Comment {
     });
     get!(comments);
     list_by!(comments, list_by_post, post_id as i32);
+    list_by!(comments, list_by_author, author_id as i32);
     find_by!(comments, find_by_ap_url, ap_url as &str);
 
     pub fn get_author(&self, conn: &Connection) -> Result<User> {
@@ -111,7 +111,7 @@ impl Comment {
                 .unwrap_or(false)
     }
 
-    pub fn to_activity(&self, conn: &DbConn) -> Result<Note> {
+    pub fn to_activity(&self, conn: &Connection) -> Result<Note> {
         let author = User::get(conn, self.author_id)?;
         let (html, mentions, _hashtags) = utils::md_to_html(
             self.content.get().as_ref(),
@@ -149,7 +149,7 @@ impl Comment {
         Ok(note)
     }
 
-    pub fn create_activity(&self, conn: &DbConn) -> Result<Create> {
+    pub fn create_activity(&self, conn: &Connection) -> Result<Create> {
         let author = User::get(conn, self.author_id)?;
 
         let note = self.to_activity(conn)?;
@@ -217,15 +217,15 @@ impl Comment {
     }
 }
 
-impl FromId<DbConn> for Comment {
+impl FromId<Connection> for Comment {
     type Error = Error;
     type Object = Note;
 
-    fn from_db(conn: &DbConn, id: &str) -> Result<Self> {
+    fn from_db(conn: &Connection, id: &str) -> Result<Self> {
         Self::find_by_ap_url(conn, id)
     }
 
-    fn from_activity(conn: &DbConn, note: Note) -> Result<Self> {
+    fn from_activity(conn: &Connection, note: Note) -> Result<Self> {
         let comm = {
             let previous_url = note
                 .in_reply_to()
@@ -354,21 +354,21 @@ impl FromId<DbConn> for Comment {
     }
 }
 
-impl AsObject<User, Create, &DbConn> for Comment {
+impl AsObject<User, Create, &Connection> for Comment {
     type Error = Error;
     type Output = Self;
 
-    fn activity(self, _conn: &DbConn, _actor: User, _id: &str) -> Result<Self> {
+    fn activity(self, _conn: &Connection, _actor: User, _id: &str) -> Result<Self> {
         // The actual creation takes place in the FromId impl
         Ok(self)
     }
 }
 
-impl AsObject<User, Delete, &DbConn> for Comment {
+impl AsObject<User, Delete, &Connection> for Comment {
     type Error = Error;
     type Output = ();
 
-    fn activity(self, conn: &DbConn, actor: User, _id: &str) -> Result<()> {
+    fn activity(self, conn: &Connection, actor: User, _id: &str) -> Result<()> {
         if self.author_id != actor.id {
             return Err(Error::Unauthorized);
         }
@@ -387,8 +387,8 @@ impl AsObject<User, Delete, &DbConn> for Comment {
         diesel::update(comments::table)
             .filter(comments::in_response_to_id.eq(self.id))
             .set(comments::in_response_to_id.eq(self.in_response_to_id))
-            .execute(&**conn)?;
-        diesel::delete(&self).execute(&**conn)?;
+            .execute(conn)?;
+        diesel::delete(&self).execute(conn)?;
         Ok(())
     }
 }
@@ -423,6 +423,7 @@ impl CommentTree {
 mod tests {
     use super::*;
     use crate::blogs::Blog;
+    use crate::db_conn::DbConn;
     use crate::inbox::{inbox, tests::fill_database, InboxResult};
     use crate::safe_string::SafeString;
     use crate::tests::{db, format_datetime};

plume-models/src/follows.rs

@@ -1,6 +1,6 @@
 use crate::{
-    ap_url, db_conn::DbConn, instance::Instance, notifications::*, schema::follows, users::User,
-    Connection, Error, Result, CONFIG,
+    ap_url, instance::Instance, notifications::*, schema::follows, users::User, Connection, Error,
+    Result, CONFIG,
 };
 use activitystreams::{
     activity::{Accept, ActorAndObjectRef, Follow as FollowAct, Undo},
@@ -150,11 +150,11 @@ impl Follow {
     }
 }
 
-impl AsObject<User, FollowAct, &DbConn> for User {
+impl AsObject<User, FollowAct, &Connection> for User {
     type Error = Error;
     type Output = Follow;
 
-    fn activity(self, conn: &DbConn, actor: User, id: &str) -> Result<Follow> {
+    fn activity(self, conn: &Connection, actor: User, id: &str) -> Result<Follow> {
         // Mastodon (at least) requires the full Follow object when accepting it,
         // so we rebuilt it here
         let follow = FollowAct::new(actor.ap_url.parse::<IriString>()?, id.parse::<IriString>()?);
@@ -162,15 +162,15 @@ impl AsObject<User, FollowAct, &DbConn> for User {
     }
 }
 
-impl FromId<DbConn> for Follow {
+impl FromId<Connection> for Follow {
     type Error = Error;
     type Object = FollowAct;
 
-    fn from_db(conn: &DbConn, id: &str) -> Result<Self> {
+    fn from_db(conn: &Connection, id: &str) -> Result<Self> {
         Follow::find_by_ap_url(conn, id)
     }
 
-    fn from_activity(conn: &DbConn, follow: FollowAct) -> Result<Self> {
+    fn from_activity(conn: &Connection, follow: FollowAct) -> Result<Self> {
         let actor = User::from_id(
             conn,
             follow
@@ -202,18 +202,18 @@ impl FromId<DbConn> for Follow {
     }
 }
 
-impl AsObject<User, Undo, &DbConn> for Follow {
+impl AsObject<User, Undo, &Connection> for Follow {
     type Error = Error;
     type Output = ();
 
-    fn activity(self, conn: &DbConn, actor: User, _id: &str) -> Result<()> {
+    fn activity(self, conn: &Connection, actor: User, _id: &str) -> Result<()> {
         let conn = conn;
         if self.follower_id == actor.id {
-            diesel::delete(&self).execute(&**conn)?;
+            diesel::delete(&self).execute(conn)?;
 
             // delete associated notification if any
             if let Ok(notif) = Notification::find(conn, notification_kind::FOLLOW, self.id) {
-                diesel::delete(&notif).execute(&**conn)?;
+                diesel::delete(&notif).execute(conn)?;
             }
 
             Ok(())
@@ -232,7 +232,9 @@ impl IntoId for Follow {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::{tests::db, users::tests as user_tests, users::tests::fill_database};
+    use crate::{
+        db_conn::DbConn, tests::db, users::tests as user_tests, users::tests::fill_database,
+    };
     use assert_json_diff::assert_json_eq;
     use diesel::Connection;
     use serde_json::{json, to_value};

plume-models/src/inbox.rs

@@ -7,7 +7,7 @@ use crate::{
     posts::{Post, PostUpdate},
     reshares::Reshare,
     users::User,
-    Error, CONFIG,
+    Connection, Error, CONFIG,
 };
 use plume_common::activity_pub::inbox::Inbox;
 
@@ -46,7 +46,7 @@ impl_into_inbox_result! {
     Reshare => Reshared
 }
 
-pub fn inbox(conn: &DbConn, act: serde_json::Value) -> Result<InboxResult, Error> {
+pub fn inbox(conn: &Connection, act: serde_json::Value) -> Result<InboxResult, Error> {
     Inbox::handle(conn, act)
         .with::<User, Announce, Post>(CONFIG.proxy())
         .with::<User, Create, Comment>(CONFIG.proxy())

plume-models/src/likes.rs

@@ -1,6 +1,6 @@
 use crate::{
-    db_conn::DbConn, instance::Instance, notifications::*, posts::Post, schema::likes, timeline::*,
-    users::User, Connection, Error, Result, CONFIG,
+    instance::Instance, notifications::*, posts::Post, schema::likes, timeline::*, users::User,
+    Connection, Error, Result, CONFIG,
 };
 use activitystreams::{
     activity::{ActorAndObjectRef, Like as LikeAct, Undo},
@@ -85,11 +85,11 @@ impl Like {
     }
 }
 
-impl AsObject<User, LikeAct, &DbConn> for Post {
+impl AsObject<User, LikeAct, &Connection> for Post {
     type Error = Error;
     type Output = Like;
 
-    fn activity(self, conn: &DbConn, actor: User, id: &str) -> Result<Like> {
+    fn activity(self, conn: &Connection, actor: User, id: &str) -> Result<Like> {
         let res = Like::insert(
             conn,
             NewLike {
@@ -105,15 +105,15 @@ impl AsObject<User, LikeAct, &DbConn> for Post {
     }
 }
 
-impl FromId<DbConn> for Like {
+impl FromId<Connection> for Like {
     type Error = Error;
     type Object = LikeAct;
 
-    fn from_db(conn: &DbConn, id: &str) -> Result<Self> {
+    fn from_db(conn: &Connection, id: &str) -> Result<Self> {
         Like::find_by_ap_url(conn, id)
     }
 
-    fn from_activity(conn: &DbConn, act: LikeAct) -> Result<Self> {
+    fn from_activity(conn: &Connection, act: LikeAct) -> Result<Self> {
         let res = Like::insert(
             conn,
             NewLike {
@@ -154,17 +154,17 @@ impl FromId<DbConn> for Like {
     }
 }
 
-impl AsObject<User, Undo, &DbConn> for Like {
+impl AsObject<User, Undo, &Connection> for Like {
     type Error = Error;
     type Output = ();
 
-    fn activity(self, conn: &DbConn, actor: User, _id: &str) -> Result<()> {
+    fn activity(self, conn: &Connection, actor: User, _id: &str) -> Result<()> {
         if actor.id == self.user_id {
-            diesel::delete(&self).execute(&**conn)?;
+            diesel::delete(&self).execute(conn)?;
 
             // delete associated notification if any
             if let Ok(notif) = Notification::find(conn, notification_kind::LIKE, self.id) {
-                diesel::delete(&notif).execute(&**conn)?;
+                diesel::delete(&notif).execute(conn)?;
             }
             Ok(())
         } else {

plume-models/src/lists.rs

@@ -297,6 +297,28 @@ impl List {
             .map_err(Error::from)
     }
 
+    pub fn delete(&self, conn: &Connection) -> Result<()> {
+        if let Some(user_id) = self.user_id {
+            diesel::delete(
+                lists::table
+                    .filter(lists::user_id.eq(user_id))
+                    .filter(lists::name.eq(&self.name)),
+            )
+            .execute(conn)
+            .map(|_| ())
+            .map_err(Error::from)
+        } else {
+            diesel::delete(
+                lists::table
+                    .filter(lists::user_id.is_null())
+                    .filter(lists::name.eq(&self.name)),
+            )
+            .execute(conn)
+            .map(|_| ())
+            .map_err(Error::from)
+        }
+    }
+
     func! {set: set_users, User, add_users}
     func! {set: set_blogs, Blog, add_blogs}
     func! {set: set_words, Word, add_words}

plume-models/src/medias.rs

@@ -1,6 +1,6 @@
 use crate::{
-    ap_url, db_conn::DbConn, instance::Instance, safe_string::SafeString, schema::medias,
-    users::User, Connection, Error, Result, CONFIG,
+    ap_url, instance::Instance, safe_string::SafeString, schema::medias, users::User, Connection,
+    Error, Result, CONFIG,
 };
 use activitystreams::{object::Image, prelude::*};
 use diesel::{self, ExpressionMethods, QueryDsl, RunQueryDsl};
@@ -206,7 +206,7 @@ impl Media {
     }
 
     // TODO: merge with save_remote?
-    pub fn from_activity(conn: &DbConn, image: &Image) -> Result<Media> {
+    pub fn from_activity(conn: &Connection, image: &Image) -> Result<Media> {
         let remote_url = image
             .url()
             .and_then(|url| url.to_as_uri())
@@ -258,7 +258,7 @@ impl Media {
                     updated = true;
                 }
                 if updated {
-                    diesel::update(&media).set(&media).execute(&**conn)?;
+                    diesel::update(&media).set(&media).execute(conn)?;
                 }
                 Ok(media)
             })

plume-models/src/mentions.rs

@@ -1,6 +1,6 @@
 use crate::{
-    comments::Comment, db_conn::DbConn, notifications::*, posts::Post, schema::mentions,
-    users::User, Connection, Error, Result,
+    comments::Comment, notifications::*, posts::Post, schema::mentions, users::User, Connection,
+    Error, Result,
 };
 use activitystreams::{
     base::BaseExt,
@@ -60,7 +60,7 @@ impl Mention {
         }
     }
 
-    pub fn build_activity(conn: &DbConn, ment: &str) -> Result<link::Mention> {
+    pub fn build_activity(conn: &Connection, ment: &str) -> Result<link::Mention> {
         let user = User::find_by_fqn(conn, ment)?;
         let mut mention = link::Mention::new();
         mention.set_href(user.ap_url.parse::<IriString>()?);

plume-models/src/posts.rs

@@ -1,7 +1,7 @@
 use crate::{
-    ap_url, blogs::Blog, db_conn::DbConn, instance::Instance, medias::Media, mentions::Mention,
-    post_authors::*, safe_string::SafeString, schema::posts, tags::*, timeline::*, users::User,
-    Connection, Error, PostEvent::*, Result, CONFIG, POST_CHAN,
+    ap_url, blogs::Blog, instance::Instance, medias::Media, mentions::Mention, post_authors::*,
+    safe_string::SafeString, schema::posts, tags::*, timeline::*, users::User, Connection, Error,
+    PostEvent::*, Result, CONFIG, POST_CHAN,
 };
 use activitystreams::{
     activity::{Create, Delete, Update},
@@ -615,15 +615,15 @@ impl Post {
     }
 }
 
-impl FromId<DbConn> for Post {
+impl FromId<Connection> for Post {
     type Error = Error;
     type Object = LicensedArticle;
 
-    fn from_db(conn: &DbConn, id: &str) -> Result<Self> {
+    fn from_db(conn: &Connection, id: &str) -> Result<Self> {
         Self::find_by_ap_url(conn, id)
     }
 
-    fn from_activity(conn: &DbConn, article: LicensedArticle) -> Result<Self> {
+    fn from_activity(conn: &Connection, article: LicensedArticle) -> Result<Self> {
         let license = article.ext_one.license.unwrap_or_default();
         let article = article.inner;
 
@@ -821,21 +821,21 @@ impl FromId<DbConn> for Post {
     }
 }
 
-impl AsObject<User, Create, &DbConn> for Post {
+impl AsObject<User, Create, &Connection> for Post {
     type Error = Error;
     type Output = Self;
 
-    fn activity(self, _conn: &DbConn, _actor: User, _id: &str) -> Result<Self::Output> {
+    fn activity(self, _conn: &Connection, _actor: User, _id: &str) -> Result<Self::Output> {
         // TODO: check that _actor is actually one of the author?
         Ok(self)
     }
 }
 
-impl AsObject<User, Delete, &DbConn> for Post {
+impl AsObject<User, Delete, &Connection> for Post {
     type Error = Error;
     type Output = ();
 
-    fn activity(self, conn: &DbConn, actor: User, _id: &str) -> Result<Self::Output> {
+    fn activity(self, conn: &Connection, actor: User, _id: &str) -> Result<Self::Output> {
         let can_delete = self
             .get_authors(conn)?
             .into_iter()
@@ -859,16 +859,16 @@ pub struct PostUpdate {
     pub tags: Option<serde_json::Value>,
 }
 
-impl FromId<DbConn> for PostUpdate {
+impl FromId<Connection> for PostUpdate {
     type Error = Error;
     type Object = LicensedArticle;
 
-    fn from_db(_: &DbConn, _: &str) -> Result<Self> {
+    fn from_db(_: &Connection, _: &str) -> Result<Self> {
         // Always fail because we always want to deserialize the AP object
         Err(Error::NotFound)
     }
 
-    fn from_activity(conn: &DbConn, updated: Self::Object) -> Result<Self> {
+    fn from_activity(conn: &Connection, updated: Self::Object) -> Result<Self> {
         let mut post_update = PostUpdate {
             ap_url: updated
                 .ap_object_ref()
@@ -923,11 +923,11 @@ impl FromId<DbConn> for PostUpdate {
     }
 }
 
-impl AsObject<User, Update, &DbConn> for PostUpdate {
+impl AsObject<User, Update, &Connection> for PostUpdate {
     type Error = Error;
     type Output = ();
 
-    fn activity(self, conn: &DbConn, actor: User, _id: &str) -> Result<()> {
+    fn activity(self, conn: &Connection, actor: User, _id: &str) -> Result<()> {
         let mut post =
             Post::from_id(conn, &self.ap_url, None, CONFIG.proxy()).map_err(|(_, e)| e)?;
 
@@ -1027,6 +1027,7 @@ impl From<PostEvent> for Arc<Post> {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use crate::db_conn::DbConn;
     use crate::inbox::{inbox, tests::fill_database, InboxResult};
     use crate::mentions::{Mention, NewMention};
     use crate::safe_string::SafeString;

plume-models/src/reshares.rs

@@ -1,6 +1,6 @@
 use crate::{
-    db_conn::DbConn, instance::Instance, notifications::*, posts::Post, schema::reshares,
-    timeline::*, users::User, Connection, Error, Result, CONFIG,
+    instance::Instance, notifications::*, posts::Post, schema::reshares, timeline::*, users::User,
+    Connection, Error, Result, CONFIG,
 };
 use activitystreams::{
     activity::{ActorAndObjectRef, Announce, Undo},
@@ -113,11 +113,11 @@ impl Reshare {
     }
 }
 
-impl AsObject<User, Announce, &DbConn> for Post {
+impl AsObject<User, Announce, &Connection> for Post {
     type Error = Error;
     type Output = Reshare;
 
-    fn activity(self, conn: &DbConn, actor: User, id: &str) -> Result<Reshare> {
+    fn activity(self, conn: &Connection, actor: User, id: &str) -> Result<Reshare> {
         let conn = conn;
         let reshare = Reshare::insert(
             conn,
@@ -134,15 +134,15 @@ impl AsObject<User, Announce, &DbConn> for Post {
     }
 }
 
-impl FromId<DbConn> for Reshare {
+impl FromId<Connection> for Reshare {
     type Error = Error;
     type Object = Announce;
 
-    fn from_db(conn: &DbConn, id: &str) -> Result<Self> {
+    fn from_db(conn: &Connection, id: &str) -> Result<Self> {
         Reshare::find_by_ap_url(conn, id)
     }
 
-    fn from_activity(conn: &DbConn, act: Announce) -> Result<Self> {
+    fn from_activity(conn: &Connection, act: Announce) -> Result<Self> {
         let res = Reshare::insert(
             conn,
             NewReshare {
@@ -183,17 +183,17 @@ impl FromId<DbConn> for Reshare {
     }
 }
 
-impl AsObject<User, Undo, &DbConn> for Reshare {
+impl AsObject<User, Undo, &Connection> for Reshare {
     type Error = Error;
     type Output = ();
 
-    fn activity(self, conn: &DbConn, actor: User, _id: &str) -> Result<()> {
+    fn activity(self, conn: &Connection, actor: User, _id: &str) -> Result<()> {
         if actor.id == self.user_id {
-            diesel::delete(&self).execute(&**conn)?;
+            diesel::delete(&self).execute(conn)?;
 
             // delete associated notification if any
             if let Ok(notif) = Notification::find(conn, notification_kind::RESHARE, self.id) {
-                diesel::delete(&notif).execute(&**conn)?;
+                diesel::delete(&notif).execute(conn)?;
             }
 
             Ok(())

plume-models/src/timeline/mod.rs

@@ -1,5 +1,4 @@
 use crate::{
-    db_conn::DbConn,
     lists::List,
     posts::Post,
     schema::{posts, timeline, timeline_definition},
@@ -12,7 +11,7 @@ use std::ops::Deref;
 pub(crate) mod query;
 
 pub use self::query::Kind;
-use self::query::{QueryError, TimelineQuery};
+pub use self::query::{QueryError, TimelineQuery};
 
 #[derive(Clone, Debug, PartialEq, Eq, Queryable, Identifiable, AsChangeset)]
 #[table_name = "timeline_definition"]
@@ -220,7 +219,7 @@ impl Timeline {
             .map_err(Error::from)
     }
 
-    pub fn add_to_all_timelines(conn: &DbConn, post: &Post, kind: Kind<'_>) -> Result<()> {
+    pub fn add_to_all_timelines(conn: &Connection, post: &Post, kind: Kind<'_>) -> Result<()> {
         let timelines = timeline_definition::table
             .load::<Self>(conn.deref())
             .map_err(Error::from)?;
@@ -246,7 +245,26 @@ impl Timeline {
         Ok(())
     }
 
-    pub fn matches(&self, conn: &DbConn, post: &Post, kind: Kind<'_>) -> Result<bool> {
+    pub fn remove_post(&self, conn: &Connection, post: &Post) -> Result<bool> {
+        if self.includes_post(conn, post)? {
+            return Ok(false);
+        }
+        diesel::delete(
+            timeline::table
+                .filter(timeline::timeline_id.eq(self.id))
+                .filter(timeline::post_id.eq(post.id)),
+        )
+        .execute(conn)?;
+        Ok(true)
+    }
+
+    pub fn remove_all_posts(&self, conn: &Connection) -> Result<u64> {
+        let count = diesel::delete(timeline::table.filter(timeline::timeline_id.eq(self.id)))
+            .execute(conn)?;
+        Ok(count as u64)
+    }
+
+    pub fn matches(&self, conn: &Connection, post: &Post, kind: Kind<'_>) -> Result<bool> {
         let query = TimelineQuery::parse(&self.query)?;
         query.matches(conn, self, post, kind)
     }

plume-models/src/timeline/query.rs

@@ -1,12 +1,11 @@
 use crate::{
     blogs::Blog,
-    db_conn::DbConn,
     lists::{self, ListType},
     posts::Post,
     tags::Tag,
     timeline::Timeline,
     users::User,
-    Result,
+    Connection, Result,
 };
 use plume_common::activity_pub::inbox::AsActor;
 use whatlang::{self, Lang};
@@ -155,7 +154,7 @@ enum TQ<'a> {
 impl<'a> TQ<'a> {
     fn matches(
         &self,
-        conn: &DbConn,
+        conn: &Connection,
         timeline: &Timeline,
         post: &Post,
         kind: Kind<'_>,
@@ -200,7 +199,7 @@ enum Arg<'a> {
 impl<'a> Arg<'a> {
     pub fn matches(
         &self,
-        conn: &DbConn,
+        conn: &Connection,
         timeline: &Timeline,
         post: &Post,
         kind: Kind<'_>,
@@ -225,7 +224,7 @@ enum WithList {
 impl WithList {
     pub fn matches(
         &self,
-        conn: &DbConn,
+        conn: &Connection,
         timeline: &Timeline,
         post: &Post,
         list: &List<'_>,
@@ -361,7 +360,7 @@ enum Bool {
 impl Bool {
     pub fn matches(
         &self,
-        conn: &DbConn,
+        conn: &Connection,
         timeline: &Timeline,
         post: &Post,
         kind: Kind<'_>,
@@ -654,7 +653,7 @@ impl<'a> TimelineQuery<'a> {
 
     pub fn matches(
         &self,
-        conn: &DbConn,
+        conn: &Connection,
         timeline: &Timeline,
         post: &Post,
         kind: Kind<'_>,

plume-models/src/users.rs

@@ -1,8 +1,8 @@
 use crate::{
-    ap_url, blocklisted_emails::BlocklistedEmail, blogs::Blog, db_conn::DbConn, follows::Follow,
-    instance::*, medias::Media, notifications::Notification, post_authors::PostAuthor, posts::Post,
-    safe_string::SafeString, schema::users, timeline::Timeline, Connection, Error, Result,
-    UserEvent::*, CONFIG, ITEMS_PER_PAGE, USER_CHAN,
+    ap_url, blocklisted_emails::BlocklistedEmail, blogs::Blog, comments::Comment, db_conn::DbConn,
+    follows::Follow, instance::*, medias::Media, notifications::Notification,
+    post_authors::PostAuthor, posts::Post, safe_string::SafeString, schema::users,
+    timeline::Timeline, Connection, Error, Result, UserEvent::*, CONFIG, ITEMS_PER_PAGE, USER_CHAN,
 };
 use activitystreams::{
     activity::Delete,
@@ -15,7 +15,10 @@ use activitystreams::{
     prelude::*,
 };
 use chrono::{NaiveDateTime, Utc};
-use diesel::{self, BelongingToDsl, ExpressionMethods, OptionalExtension, QueryDsl, RunQueryDsl};
+use diesel::{
+    self, BelongingToDsl, BoolExpressionMethods, ExpressionMethods, OptionalExtension, QueryDsl,
+    RunQueryDsl, TextExpressionMethods,
+};
 use ldap3::{LdapConn, Scope, SearchEntry};
 use openssl::{
     hash::MessageDigest,
@@ -165,6 +168,14 @@ impl User {
             notif.delete(conn)?
         }
 
+        for comment in Comment::list_by_author(conn, self.id)? {
+            let delete_activity = comment.build_delete(&conn)?;
+            crate::inbox::inbox(
+                conn,
+                serde_json::to_value(&delete_activity).map_err(Error::from)?,
+            )?;
+        }
+
         diesel::delete(self)
             .execute(conn)
             .map(|_| ())
@@ -186,15 +197,16 @@ impl User {
     pub fn count_local(conn: &Connection) -> Result<i64> {
         users::table
             .filter(users::instance_id.eq(Instance::get_local()?.id))
+            .filter(users::role.ne(Role::Instance as i32))
             .count()
             .get_result(conn)
             .map_err(Error::from)
     }
 
-    pub fn find_by_fqn(conn: &DbConn, fqn: &str) -> Result<User> {
+    pub fn find_by_fqn(conn: &Connection, fqn: &str) -> Result<User> {
         let from_db = users::table
             .filter(users::fqn.eq(fqn))
-            .first(&**conn)
+            .first(conn)
             .optional()?;
         if let Some(from_db) = from_db {
             Ok(from_db)
@@ -203,6 +215,27 @@ impl User {
         }
     }
 
+    pub fn search_local_by_name(
+        conn: &Connection,
+        name: &str,
+        (min, max): (i32, i32),
+    ) -> Result<Vec<User>> {
+        users::table
+            .filter(users::instance_id.eq(Instance::get_local()?.id))
+            .filter(users::role.ne(Role::Instance as i32))
+            // TODO: use `ilike` instead of `like` for PostgreSQL
+            .filter(
+                users::username
+                    .like(format!("%{}%", name))
+                    .or(users::display_name.like(format!("%{}%", name))),
+            )
+            .order(users::username.asc())
+            .offset(min.into())
+            .limit((max - min).into())
+            .load::<User>(conn)
+            .map_err(Error::from)
+    }
+
     /**
      * TODO: Should create user record with normalized(lowercased) email
      */
@@ -219,7 +252,7 @@ impl User {
         .map_err(Error::from)
     }
 
-    fn fetch_from_webfinger(conn: &DbConn, acct: &str) -> Result<User> {
+    fn fetch_from_webfinger(conn: &Connection, acct: &str) -> Result<User> {
         let link = resolve(acct.to_owned(), true)?
             .links
             .into_iter()
@@ -431,6 +464,7 @@ impl User {
     pub fn get_local_page(conn: &Connection, (min, max): (i32, i32)) -> Result<Vec<User>> {
         users::table
             .filter(users::instance_id.eq(Instance::get_local()?.id))
+            .filter(users::role.ne(Role::Instance as i32))
             .order(users::username.asc())
             .offset(min.into())
             .limit((max - min).into())
@@ -921,15 +955,15 @@ impl IntoId for User {
 
 impl Eq for User {}
 
-impl FromId<DbConn> for User {
+impl FromId<Connection> for User {
     type Error = Error;
     type Object = CustomPerson;
 
-    fn from_db(conn: &DbConn, id: &str) -> Result<Self> {
+    fn from_db(conn: &Connection, id: &str) -> Result<Self> {
         Self::find_by_ap_url(conn, id)
     }
 
-    fn from_activity(conn: &DbConn, acct: CustomPerson) -> Result<Self> {
+    fn from_activity(conn: &Connection, acct: CustomPerson) -> Result<Self> {
         let actor = acct.ap_actor_ref();
         let username = actor
             .preferred_username()
@@ -1030,7 +1064,7 @@ impl FromId<DbConn> for User {
     }
 }
 
-impl AsActor<&DbConn> for User {
+impl AsActor<&Connection> for User {
     fn get_inbox_url(&self) -> String {
         self.inbox_url.clone()
     }
@@ -1046,11 +1080,11 @@ impl AsActor<&DbConn> for User {
     }
 }
 
-impl AsObject<User, Delete, &DbConn> for User {
+impl AsObject<User, Delete, &Connection> for User {
     type Error = Error;
     type Output = ();
 
-    fn activity(self, conn: &DbConn, actor: User, _id: &str) -> Result<()> {
+    fn activity(self, conn: &Connection, actor: User, _id: &str) -> Result<()> {
         if self.id == actor.id {
             self.delete(conn).map(|_| ())
         } else {

src/main.rs

@@ -157,6 +157,7 @@ Then try to restart Plume.
                 routes::instance::admin_mod,
                 routes::instance::admin_instances,
                 routes::instance::admin_users,
+                routes::instance::admin_search_users,
                 routes::instance::admin_email_blocklist,
                 routes::instance::add_email_blocklist,
                 routes::instance::delete_email_blocklist,

src/routes/instance.rs

@@ -160,7 +160,7 @@ pub fn toggle_block(
     ))
 }
 
-#[get("/admin/users?<page>")]
+#[get("/admin/users?<page>", rank = 2)]
 pub fn admin_users(
     _mod: Moderator,
     page: Option<Page>,
@@ -171,6 +171,30 @@ pub fn admin_users(
     Ok(render!(instance::users(
         &(&conn, &rockets).to_context(),
         User::get_local_page(&conn, page.limits())?,
+        None,
+        page.0,
+        Page::total(User::count_local(&conn)? as i32)
+    )))
+}
+#[get("/admin/users?<user>&<page>", rank = 1)]
+pub fn admin_search_users(
+    _mod: Moderator,
+    user: String,
+    page: Option<Page>,
+    conn: DbConn,
+    rockets: PlumeRocket,
+) -> Result<Ructe, ErrorPage> {
+    let page = page.unwrap_or_default();
+    let users = if user.is_empty() {
+        User::get_local_page(&conn, page.limits())?
+    } else {
+        User::search_local_by_name(&conn, &user, page.limits())?
+    };
+
+    Ok(render!(instance::users(
+        &(&conn, &rockets).to_context(),
+        users,
+        Some(user.as_str()),
         page.0,
         Page::total(User::count_local(&conn)? as i32)
     )))

templates/instance/users.rs.html

@@ -3,7 +3,7 @@
 @use crate::template_utils::*;
 @use crate::routes::*;
 
-@(ctx: BaseContext, users: Vec<User>, page: i32, n_pages: i32)
+@(ctx: BaseContext, users: Vec<User>, user: Option<&str>, page: i32, n_pages: i32)
 
 @:base(ctx, i18n!(ctx.1, "Users"), {}, {}, {
     <h1>@i18n!(ctx.1, "Users")</h1>
@@ -15,6 +15,13 @@
         (&uri!(instance::admin_email_blocklist: page=_).to_string(), i18n!(ctx.1, "Email blocklist"), false)
     ])
 
+    <form method="get" action="@uri!(instance::admin_search_users: page = _, user = user.unwrap_or_default())">
+        <header>
+            <input type="search" name="user" value="@user.unwrap_or_default()">
+            <input type="submit" value="@i18n!(ctx.1, "Search users")">
+        </header>
+    </form>
+
     <form method="post" action="@uri!(instance::edit_users)">
         <header>
             <select name="action">
@@ -46,5 +53,9 @@
             }
         </div>
     </form>
-    @paginate(ctx.1, page, n_pages)
+    @if user.is_some() {
+      @paginate_param(ctx.1, page, n_pages, Some(format!("user={}", encode_query_param(user.unwrap_or_default()))))
+    } else {
+      @paginate(ctx.1, page, n_pages)
+    }
 })