Return group information to API

src/api_data/group_api.rs

@@ -0,0 +1,44 @@
+//! # Group information api
+//!
+//! @author Pierre Hubert
+use serde::Serialize;
+
+use crate::data::error::ResultBoxError;
+use crate::data::group::Group;
+use crate::data::user::UserID;
+use crate::helpers::groups_helper;
+
+#[derive(Serialize)]
+pub struct GroupApi {
+    id: u64,
+    name: String,
+    icon_url: String,
+    number_members: u64,
+    visibility: String,
+    registration_level: String,
+    posts_level: String,
+    virtual_directory: String,
+    membership: String,
+    following: bool,
+}
+
+impl GroupApi {
+    /// Construct a new group membership instance
+    pub fn new(g: &Group, user_id: Option<UserID>) -> ResultBoxError<GroupApi> {
+        let membership = groups_helper::get_membership(&g.id, user_id)?;
+
+        Ok(GroupApi {
+            id: g.id.id(),
+            name: g.name.clone(),
+            icon_url: g.get_logo_url(),
+            number_members: groups_helper::count_members(&g.id)? as u64,
+            visibility: g.visibility.to_api(),
+            registration_level: g.registration_level.to_api(),
+            posts_level: g.posts_creation_level.to_api(),
+            virtual_directory: g.virtual_directory.clone().unwrap_or("null".to_string()),
+
+            membership: membership.level.to_api(),
+            following: membership.following,
+        })
+    }
+}

src/api_data/mod.rs

@@ -23,4 +23,5 @@ pub mod conversations_refresh_api;
 pub mod res_count_unread_conversations;
 pub mod list_unread_conversations_api;
 pub mod global_search_result_api;
-pub mod res_create_group;
+pub mod res_create_group;
+pub mod group_api;

src/constants.rs

@@ -42,5 +42,8 @@ pub const DEFAULT_ACCOUNT_IMAGE: &str = "avatars/0Reverse.png";
 /// The account image to show for users who are not allowed to access other users account images
 pub const ERROR_ACCOUNT_IMAGE: &str = "avatars/0Red.png";
 
+/// The group logo to use when no custom logo have been uploaded
+pub const DEFAULT_GROUP_LOGO: &str = "groups_logo/default.png";
+
 /// Maximum requests size (50 Mo)
 pub const MAX_REQUEST_SIZE: usize = 50000000;

src/controllers/groups_controller.rs

@@ -8,6 +8,7 @@ use crate::data::group::GroupAccessLevel;
 use crate::data::http_request_handler::HttpRequestHandler;
 use crate::data::new_group::NewGroup;
 use crate::helpers::groups_helper;
+use crate::api_data::group_api::GroupApi;
 
 /// Create a new group
 pub fn create(r: &mut HttpRequestHandler) -> RequestResult {
@@ -36,7 +37,5 @@ pub fn get_info_single(r: &mut HttpRequestHandler) -> RequestResult {
     let group_id = r.post_group_id_with_access("id", GroupAccessLevel::LIMITED_ACCESS)?;
     let group = groups_helper::get_info(&group_id)?;
 
-    println!("Group info: {:#?}", group);
-
-    r.success("continue implementation")
+    r.set_response(GroupApi::new(&group, r.user_id_opt())?)
 }

src/data/group.rs

@@ -2,7 +2,9 @@
 //!
 //! Group visibility level
 
+use crate::constants::DEFAULT_GROUP_LOGO;
 use crate::data::group_id::GroupID;
+use crate::utils::user_data_utils::user_data_url;
 
 #[allow(non_camel_case_types)]
 #[derive(Eq, PartialEq, Hash, Debug)]
@@ -12,6 +14,16 @@ pub enum GroupVisibilityLevel {
     SECRETE_GROUP,
 }
 
+impl GroupVisibilityLevel {
+    pub fn to_api(&self) -> String {
+        match self {
+            GroupVisibilityLevel::OPEN_GROUP => "open",
+            GroupVisibilityLevel::PRIVATE_GROUP => "private",
+            GroupVisibilityLevel::SECRETE_GROUP => "secrete",
+        }.to_string()
+    }
+}
+
 #[allow(non_camel_case_types)]
 #[derive(Eq, PartialEq, Hash, Debug)]
 pub enum GroupRegistrationLevel {
@@ -20,6 +32,16 @@ pub enum GroupRegistrationLevel {
     CLOSED_REGISTRATION = 2,
 }
 
+impl GroupRegistrationLevel {
+    pub fn to_api(&self) -> String {
+        match self {
+            GroupRegistrationLevel::OPEN_REGISTRATION => "open",
+            GroupRegistrationLevel::MODERATED_REGISTRATION => "moderated",
+            GroupRegistrationLevel::CLOSED_REGISTRATION => "closed",
+        }.to_string()
+    }
+}
+
 #[allow(non_camel_case_types)]
 #[derive(Eq, PartialEq, Hash, Debug)]
 pub enum GroupPostsCreationLevel {
@@ -30,6 +52,15 @@ pub enum GroupPostsCreationLevel {
     POSTS_LEVEL_ALL_MEMBERS = 1,
 }
 
+impl GroupPostsCreationLevel {
+    pub fn to_api(&self) -> String {
+        match self {
+            GroupPostsCreationLevel::POSTS_LEVEL_MODERATORS => "moderators",
+            GroupPostsCreationLevel::POSTS_LEVEL_ALL_MEMBERS => "members",
+        }.to_string()
+    }
+}
+
 #[allow(non_camel_case_types)]
 #[derive(Eq, PartialEq, Hash, Debug, PartialOrd)]
 pub enum GroupAccessLevel {
@@ -57,7 +88,6 @@ pub enum GroupAccessLevel {
 pub struct Group {
     pub id: GroupID,
     pub name: String,
-    pub members_count: u64,
     pub visibility: GroupVisibilityLevel,
     pub registration_level: GroupRegistrationLevel,
     pub posts_creation_level: GroupPostsCreationLevel,
@@ -68,6 +98,21 @@ pub struct Group {
     pub url: Option<String>,
 }
 
+impl Group {
+    /// Determine the path of the logo to use for this group
+    pub fn get_logo_path(&self) -> &str {
+        match &self.logo {
+            None => DEFAULT_GROUP_LOGO,
+            Some(l) => l,
+        }
+    }
+
+    /// Get the current URL for the logo of this group
+    pub fn get_logo_url(&self) -> String {
+        user_data_url(self.get_logo_path())
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use crate::data::group::GroupAccessLevel;

src/data/group_member.rs

@@ -15,6 +15,19 @@ pub enum GroupMembershipLevel {
     VISITOR = 5, //Simple visit
 }
 
+impl GroupMembershipLevel {
+    pub fn to_api(&self) -> String {
+        match self {
+            GroupMembershipLevel::ADMINISTRATOR => "administrator",
+            GroupMembershipLevel::MODERATOR => "moderator",
+            GroupMembershipLevel::MEMBER => "member",
+            GroupMembershipLevel::INVITED => "invited",
+            GroupMembershipLevel::PENDING => "pending",
+            GroupMembershipLevel::VISITOR => "visitor",
+        }.to_string()
+    }
+}
+
 pub struct GroupMember {
     pub id: u64,
     pub user_id: UserID,

src/helpers/database.rs

@@ -170,6 +170,12 @@ impl QueryInfo {
         self
     }
 
+    /// Add a custom u32 WHERE value
+    pub fn add_custom_where_argument_u32(mut self, val: u32) -> QueryInfo {
+        self.custom_where_ars.push(mysql::Value::UInt(val as u64));
+        self
+    }
+
     /// Add a custom string WHERE value
     pub fn add_custom_where_argument_str(mut self, val: &str) -> QueryInfo {
         self.custom_where_ars.push(mysql::Value::from(val));

src/helpers/groups_helper.rs

@@ -172,6 +172,27 @@ pub fn search_group(query: &str, limit: u64) -> ResultBoxError<Vec<GroupID>> {
         .exec(|row| row.get_group_id("id"))
 }
 
+/// Get information about the membership of a user over a group
+pub fn get_membership(group_id: &GroupID, user_id: Option<UserID>) -> ResultBoxError<GroupMember> {
+    if user_id == None {
+        return Ok(GroupMember {
+            id: 0,
+            user_id: 0,
+            group_id: group_id.clone(),
+            time_create: 0,
+            level: GroupMembershipLevel::VISITOR,
+            following: false,
+        });
+    }
+
+    let user_id = user_id.unwrap();
+
+    database::QueryInfo::new(GROUPS_MEMBERS_TABLE)
+        .cond_group_id("groups_id", group_id)
+        .cond_user_id("user_id", user_id)
+        .query_row(db_to_group_member)
+}
+
 /// Get the membership level of a user for a group
 pub fn get_membership_level(group_id: &GroupID, user_id: Option<UserID>) -> ResultBoxError<GroupMembershipLevel> {
     match user_id {
@@ -242,17 +263,18 @@ pub fn get_access_level(group_id: &GroupID, user_id: Option<UserID>) -> ResultBo
 pub fn count_members(group_id: &GroupID) -> ResultBoxError<usize> {
     database::QueryInfo::new(GROUPS_MEMBERS_TABLE)
         .cond_group_id("groups_id", group_id)
+        .set_custom_where("level <= ?")
+        .add_custom_where_argument_u32(GroupMembershipLevel::MEMBER.to_db())
         .exec_count()
 }
 
-/// Turn a database entry into a group object
+/// Turn a database entry into a group struct
 fn db_to_group(row: &database::RowResult) -> ResultBoxError<Group> {
     let group_id = row.get_group_id("id")?;
 
     Ok(Group {
         id: group_id.clone(),
         name: row.get_str("name")?,
-        members_count: count_members(&group_id)? as u64,
         visibility: GroupVisibilityLevel::from_db(row.get_u32("visibility")?),
         registration_level: GroupRegistrationLevel::from_db(row.get_u32("registration_level")?),
         posts_creation_level: GroupPostsCreationLevel::from_db(row.get_u32("posts_level")?),
@@ -262,4 +284,16 @@ fn db_to_group(row: &database::RowResult) -> ResultBoxError<Group> {
         description: row.get_optional_str("description")?,
         url: row.get_optional_str("url")?,
     })
+}
+
+/// Turn a database entry into a group member struct
+fn db_to_group_member(row: &database::RowResult) -> ResultBoxError<GroupMember> {
+    Ok(GroupMember {
+        id: row.get_u64("id")?,
+        user_id: row.get_user_id("user_id")?,
+        group_id: row.get_group_id("groups_id")?,
+        time_create: row.get_u64("time_create")?,
+        level: GroupMembershipLevel::from_db(row.get_u32("level")?),
+        following: row.get_legacy_bool("following")?,
+    })
 }