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Check user authorization to create posts

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This commit is contained in:
Pierre HUBERT
2020-01-04 15:07:24 +01:00
parent ddaa3a5a06
commit ac601877bb
3 changed files with 69 additions and 2 deletions
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25
src/helpers/GroupsHelper.ts
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@ -1,5 +1,5 @@
import { DatabaseHelper } from "./DatabaseHelper";
import { GroupsAccessLevel, GroupVisibilityLevel, GroupInfo } from "../entities/Group";
import { GroupsAccessLevel, GroupVisibilityLevel, GroupInfo, GroupPostsCreationLevel } from "../entities/Group";
import { GroupMembershipLevels, GroupMember } from "../entities/GroupMember";
import { NewGroup } from "../entities/NewGroup";
import { time } from "../utils/DateUtils";
@ -480,6 +480,29 @@ export class GroupsHelper {
return groupID;
}
/**
* Check out whether a user can create posts on a group or not
*
* @param groupID Target group ID
* @param userID Target user ID
*/
public static async CanUserCreatePosts(groupID: number, userID: number) : Promise<boolean> {
const membershipLevel = await this.GetMembershipLevel(groupID, userID);
// Moderators + administrators => can always create posts
if(membershipLevel == GroupMembershipLevels.MODERATOR ||
membershipLevel == GroupMembershipLevels.ADMINISTRATOR)
return true;
// Simple members => check authorization
if(membershipLevel == GroupMembershipLevels.MEMBER) {
return (await this.GetInfo(groupID)).postsCreationLevel
== GroupPostsCreationLevel.POSTS_LEVEL_ALL_MEMBERS;
}
return false;
}
/**
* Turn a database row into a {GroupInfo} object
*