141 lines
4.4 KiB
Ruby
141 lines
4.4 KiB
Ruby
class CommentsController < ApplicationController
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before_action :set_comment, only: [:show, :edit, :update, :destroy_by_id]
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# to disable authorization check: comment the line below back in
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# skip_after_action :verify_authorized
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def authorize!
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authorize(@comment || @comments)
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end
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private :authorize!
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# GET /comments
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# GET /comments.json
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def index
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#@comments = Comment.all
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#if admin, show all comments.
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#check whether user is the author of the passed file_id, if so, show all comments. otherwise, only show comments of the file-author and own comments
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file = CodeOcean::File.find(params[:file_id])
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#there might be no submission yet, so dont use find
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submission = Submission.find_by(id: file.context_id)
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if submission
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is_admin = false
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user_id = current_user.id
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# if we have an internal user, check whether he is an admin
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if not current_user.respond_to? :external_id
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is_admin = current_user.role == 'admin'
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end
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if(is_admin || user_id == submission.user_id)
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# fetch all comments for this file
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@comments = Comment.where(file_id: params[:file_id])
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else
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# fetch comments of the current user
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#@comments = Comment.where(file_id: params[:file_id], user_id: user_id)
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# fetch comments of file-author and the current user
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@comments = Comment.where(file_id: params[:file_id], user_id: [user_id, submission.user_id])
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end
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#add names to comments
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# if the user is internal, set the name
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@comments.map{|comment|
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if(comment.user_type == 'InternalUser')
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comment.username = InternalUser.find(comment.user_id).name
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elsif(comment.user_type == 'ExternalUser')
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comment.username = ExternalUser.find(comment.user_id).name
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# alternative: # if the user is external, fetch the displayname from xikolo
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# Xikolo::UserClient.get(comment.user_id.to_s)[:display_name]
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end
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}
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else
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@comments = Comment.all.limit(0) #we need an empty relation here
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end
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authorize!
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end
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# GET /comments/1
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# GET /comments/1.json
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def show
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authorize!
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end
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# GET /comments/new
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def new
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@comment = Comment.new
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authorize!
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end
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# GET /comments/1/edit
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def edit
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authorize!
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end
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# POST /comments
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# POST /comments.json
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def create
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@comment = Comment.new(comment_params)
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respond_to do |format|
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if @comment.save
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format.html { redirect_to @comment, notice: 'Comment was successfully created.' }
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format.json { render :show, status: :created, location: @comment }
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else
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format.html { render :new }
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format.json { render json: @comment.errors, status: :unprocessable_entity }
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end
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end
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authorize!
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end
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# PATCH/PUT /comments/1
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# PATCH/PUT /comments/1.json
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def update
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respond_to do |format|
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if @comment.update(comment_params)
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format.html { head :no_content, notice: 'Comment was successfully updated.' }
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format.json { render :show, status: :ok, location: @comment }
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else
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format.html { render :edit }
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format.json { render json: @comment.errors, status: :unprocessable_entity }
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end
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end
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authorize!
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end
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# DELETE /comments/1
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# DELETE /comments/1.json
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def destroy_by_id
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@comment.destroy
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respond_to do |format|
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format.html { head :no_content, notice: 'Comment was successfully destroyed.' }
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format.json { head :no_content }
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end
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end
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def destroy
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@comments = Comment.where(file_id: params[:file_id], row: params[:row])
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@comments.delete_all
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respond_to do |format|
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#format.html { redirect_to comments_url, notice: 'Comments were successfully destroyed.' }
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format.html { head :no_content, notice: 'Comments were successfully destroyed.' }
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format.json { head :no_content }
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end
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authorize!
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end
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private
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# Use callbacks to share common setup or constraints between actions.
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def set_comment
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@comment = Comment.find(params[:id])
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end
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# Never trust parameters from the scary internet, only allow the white list through.
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def comment_params
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#params.require(:comment).permit(:user_id, :file_id, :row, :column, :text)
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# fuer production mode, damit böse menschen keine falsche user_id uebergeben:
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params.require(:comment).permit(:file_id, :row, :column, :text).merge(user_id: current_user.id, user_type: current_user.class.name)
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end
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end
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