Can get information about a single post

src/data/http_request_handler.rs

@@ -16,8 +16,9 @@ use crate::data::config::conf;
 use crate::data::error::{ExecError, ResultBoxError};
 use crate::data::group::GroupAccessLevel;
 use crate::data::group_id::GroupID;
+use crate::data::post::{Post, PostAccessLevel};
 use crate::data::user::UserID;
-use crate::helpers::{account_helper, api_helper, conversations_helper, friends_helper, groups_helper, user_helper, virtual_directory_helper};
+use crate::helpers::{account_helper, api_helper, conversations_helper, friends_helper, groups_helper, posts_helper, user_helper, virtual_directory_helper};
 use crate::helpers::virtual_directory_helper::VirtualDirType;
 use crate::utils::string_utils::{check_url, remove_html_nodes};
 use crate::utils::user_data_utils::{generate_new_user_data_file_name, prepare_file_creation, user_data_path};
@@ -545,4 +546,19 @@ impl HttpRequestHandler {
 
         Ok(Some(dir))
     }
+
+    /// Get information about a post whose ID was specified in the request
+    pub fn post_post_with_access(&mut self, name: &str, min_level: PostAccessLevel) -> ResultBoxError<Post> {
+        let post_id = self.post_u64(name)?;
+        let post = self.ok_or_not_found(
+            posts_helper::get_single(post_id),
+            "Requested post not found!",
+        )?;
+
+        if posts_helper::get_access_level(&post, &self.user_id_opt())? < min_level {
+            self.forbidden("You are not allowed to access this post information!".to_string())?;
+        }
+
+        Ok(post)
+    }
 }

src/data/post.rs

@@ -34,6 +34,7 @@ impl PostVisibilityLevel {
 
 /// Post access level (for a given user)
 #[allow(non_camel_case_types)]
+#[derive(PartialEq, PartialOrd)]
 pub enum PostAccessLevel {
     //When a user can't access to a post
     NO_ACCESS = 0,
@@ -141,4 +142,16 @@ impl Post {
             _ => false,
         }
     }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::data::post::PostAccessLevel;
+
+    #[test]
+    fn access_level_coherence() {
+        assert!(PostAccessLevel::NO_ACCESS < PostAccessLevel::BASIC_ACCESS);
+        assert!(PostAccessLevel::BASIC_ACCESS < PostAccessLevel::INTERMEDIATE_ACCESS);
+        assert!(PostAccessLevel::INTERMEDIATE_ACCESS < PostAccessLevel::FULL_ACCESS);
+    }
 }