From 637408c6266bad47b8e461c14108fe3ea522989f Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Mon, 1 Jun 2020 11:12:05 +0200
Subject: [PATCH] Check if a user is liking a page or not

---
 src/api_data/user_info.rs   | 13 +++++++++----
 src/helpers/likes_helper.rs | 14 ++++++++++++++
 2 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/src/api_data/user_info.rs b/src/api_data/user_info.rs
index f04bf14..783d26c 100644
--- a/src/api_data/user_info.rs
+++ b/src/api_data/user_info.rs
@@ -39,6 +39,7 @@ struct APIAdvancedInfo {
     backgroundImage: String,
     number_friends: usize,
     pageLikes: usize,
+    user_page_like: bool,
 }
 
 impl APIUserInfo {
@@ -64,13 +65,16 @@ impl APIUserInfo {
     /// Get advanced user information
     pub fn new_advanced_info(user_id: Option<UserID>, info: &User) -> ResultBoxError<APIUserInfo> {
         let mut user = APIUserInfo::new(user_id, info)?;
+        let signed_in = user_id.is_some();
 
         // Check if we can return the number of friends of the user
         let number_friends = if info.public_friends_list || user_id.unwrap_or(0) == info.id {
-          friends_helper::count_friends(info.id)?
-        } else {
-            0
-        };
+            friends_helper::count_friends(info.id)?
+        } else { 0 };
+
+        let likes_page = if signed_in {
+            likes_helper::is_liking(user_id.unwrap(), info.id as u64, LikeType::USER)?
+        } else { false };
 
         // Set advanced user information
         user.advanced_info = Some(APIAdvancedInfo {
@@ -83,6 +87,7 @@ impl APIUserInfo {
             backgroundImage: background_image_helper::get_url(info.id),
             number_friends,
             pageLikes: likes_helper::count(info.id as u64, LikeType::USER)?,
+            user_page_like: likes_page,
         });
 
         Ok(user)
diff --git a/src/helpers/likes_helper.rs b/src/helpers/likes_helper.rs
index 3ab04ec..f968a9e 100644
--- a/src/helpers/likes_helper.rs
+++ b/src/helpers/likes_helper.rs
@@ -5,6 +5,7 @@
 use crate::data::error::ResultBoxError;
 use crate::helpers::database::QueryInfo;
 use crate::constants::database_tables_names::LIKES_TABLE;
+use crate::data::user::UserID;
 
 pub enum LikeType {
     USER,
@@ -32,4 +33,17 @@ pub fn count(id: u64, kind: LikeType) -> ResultBoxError<usize> {
         .cond_u64("ID_type", id)
         .cond("type", kind.to_db_type().as_ref())
         .exec_count()
+}
+
+/// Check if a user likes an element or not
+pub fn is_liking(user_id: UserID, id: u64, kind: LikeType) -> ResultBoxError<bool> {
+    if user_id == 0 {
+        return Ok(false);
+    }
+
+    Ok(QueryInfo::new(LIKES_TABLE)
+        .cond_u64("ID_type", id)
+        .cond_i64("ID_personne", user_id)
+        .cond("type", kind.to_db_type().as_ref())
+        .exec_count()? > 0)
 }
\ No newline at end of file