From f147885f08f191e63968ba464b5d6abd9345e94d Mon Sep 17 00:00:00 2001
From: Trinity Pointard <trinity.pointard@insa-rennes.fr>
Date: Sat, 27 Oct 2018 23:51:26 +0200
Subject: [PATCH] Detect if tags are hashtags when receiving new posts

---
 plume-models/src/posts.rs | 22 ++++++++++++++++------
 plume-models/src/tags.rs  |  4 ++--
 2 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/plume-models/src/posts.rs b/plume-models/src/posts.rs
index 13af02d..71c9a6a 100644
--- a/plume-models/src/posts.rs
+++ b/plume-models/src/posts.rs
@@ -6,14 +6,17 @@ use activitypub::{
 use canapi::{Error, Provider};
 use chrono::{NaiveDateTime, TimeZone, Utc};
 use diesel::{self, RunQueryDsl, QueryDsl, ExpressionMethods, BelongingToDsl};
-use heck::KebabCase;
+use heck::{CamelCase, KebabCase};
 use serde_json;
 
 use plume_api::posts::PostEndpoint;
-use plume_common::activity_pub::{
-    Hashtag, Source,
-    PUBLIC_VISIBILTY, Id, IntoId,
-    inbox::{Deletable, FromActivity}
+use plume_common::{
+    activity_pub::{
+        Hashtag, Source,
+        PUBLIC_VISIBILTY, Id, IntoId,
+        inbox::{Deletable, FromActivity}
+    },
+    utils::md_to_html
 };
 use {BASE_URL, ap_url, Connection};
 use blogs::Blog;
@@ -26,6 +29,7 @@ use tags::Tag;
 use users::User;
 use schema::posts;
 use safe_string::SafeString;
+use std::collections::HashSet;
 
 #[derive(Queryable, Identifiable, Serialize, Clone, AsChangeset)]
 pub struct Post {
@@ -447,6 +451,8 @@ impl FromActivity<Article, Connection> for Post {
             }
 
             // save mentions and tags
+            let mut hashtags = md_to_html(&post.source).2.into_iter().map(|s| s.to_camel_case()).collect::<HashSet<_>>();
+            println!("{:?}", hashtags);
             if let Some(serde_json::Value::Array(tags)) = article.object_props.tag.clone() {
                 for tag in tags.into_iter() {
                     serde_json::from_value::<link::Mention>(tag.clone())
@@ -454,7 +460,11 @@ impl FromActivity<Article, Connection> for Post {
                         .ok();
 
                     serde_json::from_value::<Hashtag>(tag.clone())
-                        .map(|t| Tag::from_activity(conn, t, post.id))
+                        .map(|t| {
+                            let tag_name = t.name_string().expect("Post::from_activity: tag name error");
+                            println!("{} : {}", tag_name, hashtags.contains(&tag_name));
+                            Tag::from_activity(conn, t, post.id, hashtags.remove(&tag_name));
+                        })
                         .ok();
                 }
             }
diff --git a/plume-models/src/tags.rs b/plume-models/src/tags.rs
index 99e6cb6..44bf98b 100644
--- a/plume-models/src/tags.rs
+++ b/plume-models/src/tags.rs
@@ -37,10 +37,10 @@ impl Tag {
         ht
     }
 
-    pub fn from_activity(conn: &Connection, tag: Hashtag, post: i32) -> Tag {
+    pub fn from_activity(conn: &Connection, tag: Hashtag, post: i32, is_hashtag: bool) -> Tag {
         Tag::insert(conn, NewTag {
             tag: tag.name_string().expect("Tag::from_activity: name error"),
-            is_hashtag: false,
+            is_hashtag,
             post_id: post
         })
     }