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Deduplicate tags and mentions

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Use set to work on tags and mentions, allowing deduplication of them,
and clearer code
May also help with distinguishing tags and hashtags latter
This commit is contained in:
Trinity Pointard 2018-10-27 20:44:42 +02:00 committed by Baptiste Gelez
parent 83d6da29a5
commit 1689813df4
2 changed files with 22 additions and 23 deletions
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6
plume-common/src/utils.rs
View file

@ -5,6 +5,7 @@ use rocket::{
http::uri::Uri,
response::{Redirect, Flash}
};
use std::collections::HashSet;
/// Remove non alphanumeric characters and CamelCase a string
pub fn make_actor_id(name: String) -> String {
@ -29,7 +30,7 @@ enum State {
}
/// Returns (HTML, mentions, hashtags)
pub fn md_to_html(md: &str) -> (String, Vec<String>, Vec<String>) {
pub fn md_to_html(md: &str) -> (String, HashSet<String>, HashSet<String>) {
let parser = Parser::new_ext(md, Options::all());
let (parser, mentions, hashtags): (Vec<Vec<Event>>, Vec<Vec<String>>, Vec<Vec<String>>) = parser.map(|evt| match evt {
@ -129,8 +130,7 @@ pub fn md_to_html(md: &str) -> (String, Vec<String>, Vec<String>) {
let mut buf = String::new();
html::push_html(&mut buf, parser);
let hashtags = hashtags.collect();
(buf, mentions.collect(), hashtags)
(buf, mentions.collect(), hashtags.collect())
}
#[cfg(test)]

39
src/routes/posts.rs
View file

@ -5,7 +5,7 @@ use rocket::{State, request::LenientForm};
use rocket::response::{Redirect, Flash};
use rocket_contrib::Template;
use serde_json;
use std::{collections::HashMap, borrow::Cow};
use std::{collections::{HashMap, HashSet}, borrow::Cow};
use validator::{Validate, ValidationError, ValidationErrors};
use workerpool::{Pool, thunk::*};
@ -216,15 +216,16 @@ fn update(blog: String, slug: String, user: User, conn: DbConn, data: LenientFor
}
let old_tags = Tag::for_post(&*conn, post.id).into_iter().collect::<Vec<_>>();
let tags = form.tags.split(",").map(|t| t.trim().to_camel_case()).filter(|t| t.len() > 0).collect::<Vec<_>>();
for tag in tags.iter() {
if old_tags.iter().all(|ot| &ot.tag!=tag || ot.is_hashtag) {
Tag::insert(&*conn, NewTag {
tag: tag.clone(),
is_hashtag: false,
post_id: post.id
});
}
let old_non_hashtags = old_tags.iter().filter_map(|tag| if !tag.is_hashtag {Some(tag.tag.clone())} else {None}).collect();
let old_hashtags = old_tags.iter().filter_map(|tag| if tag.is_hashtag {Some(tag.tag.clone())} else {None}).collect();
let tags = form.tags.split(",").map(|t| t.trim().to_camel_case()).filter(|t| t.len() > 0).collect::<HashSet<_>>();
for tag in tags.difference(&old_non_hashtags) {
Tag::insert(&*conn, NewTag {
tag: tag.clone(),
is_hashtag: false,
post_id: post.id
});
}
for ot in old_tags.iter() {
if !tags.contains(&ot.tag) && !ot.is_hashtag {
@ -232,15 +233,13 @@ fn update(blog: String, slug: String, user: User, conn: DbConn, data: LenientFor
}
}
let hashtags = hashtags.into_iter().map(|h| h.to_camel_case()).collect::<Vec<_>>();
for hashtag in hashtags.iter() {
if old_tags.iter().all(|ot| &ot.tag!=hashtag || !ot.is_hashtag) {
Tag::insert(&*conn, NewTag {
tag: hashtag.clone(),
is_hashtag: true,
post_id: post.id,
});
}
let hashtags = hashtags.into_iter().map(|h| h.to_camel_case()).collect::<HashSet<_>>();
for hashtag in hashtags.difference(&old_hashtags) {
Tag::insert(&*conn, NewTag {
tag: hashtag.clone(),
is_hashtag: true,
post_id: post.id,
});
}
for ot in old_tags {
if !hashtags.contains(&ot.tag) && ot.is_hashtag {
@ -343,7 +342,7 @@ fn create(blog_name: String, data: LenientForm<NewPostForm>, user: User, conn: D
author_id: user.id
});
let tags = form.tags.split(",").map(|t| t.trim().to_camel_case()).filter(|t| t.len() > 0);
let tags = form.tags.split(",").map(|t| t.trim().to_camel_case()).filter(|t| t.len() > 0).collect::<HashSet<_>>();
for tag in tags {
Tag::insert(&*conn, NewTag {
tag: tag,