From af307671bbbf920a191ba10aa1e9f0a40c041b97 Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Thu, 9 Jul 2020 10:37:06 +0200
Subject: [PATCH] Start to delete posts

---
 src/controllers/posts_controller.rs |  6 +++++-
 src/helpers/likes_helper.rs         | 16 ++++++++++++----
 src/helpers/posts_helper.rs         | 13 ++++++++++++-
 3 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/src/controllers/posts_controller.rs b/src/controllers/posts_controller.rs
index cdf4c63..6d34043 100644
--- a/src/controllers/posts_controller.rs
+++ b/src/controllers/posts_controller.rs
@@ -263,5 +263,9 @@ pub fn update_content(r: &mut HttpRequestHandler) -> RequestResult {
 
 /// Delete a post
 pub fn delete(r: &mut HttpRequestHandler) -> RequestResult {
-    r.success("Implement me")
+    let post = r.post_post_with_access("postID", PostAccessLevel::FULL_ACCESS)?;
+
+    posts_helper::delete(&post)?;
+
+    r.success("Post deleted.")
 }
\ No newline at end of file
diff --git a/src/helpers/likes_helper.rs b/src/helpers/likes_helper.rs
index 0e95885..37f55e4 100644
--- a/src/helpers/likes_helper.rs
+++ b/src/helpers/likes_helper.rs
@@ -2,20 +2,20 @@
 //!
 //! Module dedicated to likes management
 
-use crate::data::error::ResultBoxError;
-use crate::helpers::database::QueryInfo;
 use crate::constants::database_tables_names::LIKES_TABLE;
+use crate::data::error::ResultBoxError;
 use crate::data::user::UserID;
+use crate::helpers::database;
+use crate::helpers::database::QueryInfo;
 
 pub enum LikeType {
     USER,
     POST,
     COMMENT,
-    GROUP
+    GROUP,
 }
 
 impl LikeType {
-
     /// Get matching database type
     pub fn to_db_type(&self) -> String {
         match self {
@@ -46,4 +46,12 @@ pub fn is_liking(user_id: &UserID, id: u64, kind: LikeType) -> ResultBoxError<bo
         .cond_user_id("ID_personne", user_id)
         .cond("type", kind.to_db_type().as_ref())
         .exec_count()? > 0)
+}
+
+/// Delete all the likes associated with a post
+pub fn delete_all(id: u64, kind: LikeType) -> ResultBoxError {
+    database::DeleteQuery::new(LIKES_TABLE)
+        .cond_u64("ID_type", id)
+        .cond_str("type", &kind.to_db_type())
+        .exec()
 }
\ No newline at end of file
diff --git a/src/helpers/posts_helper.rs b/src/helpers/posts_helper.rs
index bf3ff18..b5d0f05 100644
--- a/src/helpers/posts_helper.rs
+++ b/src/helpers/posts_helper.rs
@@ -11,7 +11,8 @@ use crate::data::group_member::GroupMembershipLevel;
 use crate::data::post::{Post, PostAccessLevel, PostFile, PostKind, PostPageKind, PostVisibilityLevel, PostWebLink};
 use crate::data::post::PostKind::{POST_KIND_COUNTDOWN, POST_KIND_IMAGE, POST_KIND_MOVIE, POST_KIND_PDF, POST_KIND_SURVEY, POST_KIND_WEBLINK, POST_KIND_YOUTUBE};
 use crate::data::user::UserID;
-use crate::helpers::{database, friends_helper, groups_helper, user_helper};
+use crate::helpers::{database, friends_helper, groups_helper, likes_helper, user_helper};
+use crate::helpers::likes_helper::LikeType;
 use crate::utils::date_utils::{mysql_date, time};
 
 impl PostVisibilityLevel {
@@ -399,6 +400,16 @@ pub fn set_content(post_id: u64, new_content: &str) -> ResultBoxError {
         .exec()
 }
 
+/// Delete a post
+pub fn delete(p: &Post) -> ResultBoxError {
+    // TODO : delete all the notifications related with the post
+
+    // Delete all the likes associated with the post
+    likes_helper::delete_all(p.id, LikeType::POST)?;
+
+    Ok(())
+}
+
 /// Turn a post into a database entry
 fn db_to_post(res: &database::RowResult) -> ResultBoxError<Post> {
     let user_id = if res.get_u64("ID_amis")? == 0 {