Can get group's posts

src/controllers/posts_controller.rs

@@ -4,6 +4,7 @@
 
 use crate::api_data::post_api::PostAPI;
 use crate::controllers::routes::RequestResult;
+use crate::data::group::GroupAccessLevel;
 use crate::data::http_request_handler::HttpRequestHandler;
 use crate::helpers::{posts_helper, user_helper};
 
@@ -22,3 +23,15 @@ pub fn get_list_user(r: &mut HttpRequestHandler) -> RequestResult {
 
     r.set_response(PostAPI::for_list(&posts, r.user_id_opt())?)
 }
+
+/// Get the list of posts of a group
+pub fn get_list_group(r: &mut HttpRequestHandler) -> RequestResult {
+    let group_id = r.post_group_id_with_access("groupID", GroupAccessLevel::VIEW_ACCESS)?;
+    let start_from = r.post_u64_opt("startFrom", 0)?;
+
+    let posts = posts_helper::PostsQuery::new(r.user_id_opt())
+        .set_start_from(start_from)
+        .get_group(&group_id)?;
+
+    r.set_response(PostAPI::for_list(&posts, r.user_id_opt())?)
+}

src/controllers/routes.rs

@@ -196,9 +196,12 @@ pub fn get_routes() -> Vec<Route> {
 
         Route::post("/groups/delete", Box::new(groups_controller::delete_group)),
 
+
         // Posts controller
         Route::post("/posts/get_user", Box::new(posts_controller::get_list_user)),
 
+        Route::post("/posts/get_group", Box::new(posts_controller::get_list_group)),
+
 
         // Virtual directory controller
         Route::post("/user/findbyfolder", Box::new(virtual_directory_controller::find_user)),

src/helpers/posts_helper.rs

@@ -2,8 +2,11 @@
 //!
 //! @author Pierre Hubert
 
+
+
 use crate::constants::database_tables_names::POSTS_TABLE;
 use crate::data::error::{ExecError, ResultBoxError};
+use crate::data::group_id::GroupID;
 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};
@@ -70,6 +73,11 @@ impl PostsQuery {
     pub fn get_user(self, user_id: &UserID) -> ResultBoxError<Vec<Post>> {
         get_user(&self, user_id)
     }
+
+    /// Get the posts of a group
+    pub fn get_group(self, group_id: &GroupID) -> ResultBoxError<Vec<Post>> {
+        get_group(&self, group_id)
+    }
 }
 
 /// Get the posts of `target_id`
@@ -123,6 +131,40 @@ fn get_user(query: &PostsQuery, target_id: &UserID) -> ResultBoxError<Vec<Post>>
         .exec(db_to_post)
 }
 
+/// Get the list of posts of a group
+fn get_group(query: &PostsQuery, group_id: &GroupID) -> ResultBoxError<Vec<Post>> {
+    let membership = groups_helper::get_membership_level(group_id, query.user_id.clone())?;
+
+    let can_see_all_posts = membership <= GroupMembershipLevel::MEMBER;
+    let visibility_level = match can_see_all_posts {
+        true => PostVisibilityLevel::VISIBILITY_GROUP_MEMBERS,
+        false => PostVisibilityLevel::VISIBILITY_FRIENDS
+    };
+
+    // Prepare request
+    let mut db_query = database::QueryInfo::new(POSTS_TABLE);
+    let mut custom_where = String::new();
+
+    // =============== VISIBILITY CONDITION ================
+    custom_where.push_str("(niveau_visibilite <= ?)");
+    db_query = db_query.add_custom_where_argument_u32(visibility_level.to_db());
+    // ============== /VISIBILITY CONDITION ================
+
+    // ================== START POINT ======================
+    if query.start_from > 0 {
+        custom_where.push_str(" AND ID <= ?");
+        db_query = db_query.add_custom_where_argument_u64(query.start_from);
+    }
+    // ================== /START POINT =====================
+
+    db_query
+        .cond_group_id("group_id", group_id)
+        .set_custom_where(&custom_where)
+        .set_order("ID DESC")
+        .set_limit(query.limit)
+        .exec(db_to_post)
+}
+
 /// Get the access level of a user over a post
 pub fn get_access_level(p: &Post, user_id: &Option<UserID>) -> ResultBoxError<PostAccessLevel> {
     if user_id == &p.user_id.as_option() {