metamaps--metamaps/app/controllers/maps_controller.rb
2014-11-29 01:37:06 -05:00

241 lines
7.9 KiB
Ruby

class MapsController < ApplicationController
before_filter :require_user, only: [:create, :update, :screenshot, :destroy]
respond_to :html, :json
autocomplete :map, :name, :full => true, :extra_data => [:user_id]
# GET /explore/active
# GET /explore/featured
# GET /explore/mapper/:id
def index
if request.path == "/explore"
redirect_to activemaps_url and return
end
@current = current_user
@user = nil
@maps = []
@mapperId = nil
if !params[:page]
page = 1
else
page = params[:page]
end
if request.path.index("/explore/active") != nil
@maps = Map.where("maps.permission != ?", "private").order("updated_at DESC").page(page).per(20)
@request = "active"
elsif request.path.index("/explore/featured") != nil
@maps = Map.where("maps.featured = ? AND maps.permission != ?", true, "private").order("updated_at DESC").page(page).per(20)
@request = "featured"
elsif request.path.index('/explore/mine') != nil # looking for maps by me
if !authenticated?
redirect_to activemaps_url and return
end
# don't need to exclude private maps because they all belong to you
@maps = Map.where("maps.user_id = ?", @current.id).order("updated_at DESC").page(page).per(20)
@request = "you"
elsif request.path.index('/explore/mapper/') != nil # looking for maps by a mapper
@user = User.find(params[:id])
@maps = Map.where("maps.user_id = ? AND maps.permission != ?", @user.id, "private").order("updated_at DESC").page(page).per(20)
@request = "mapper"
end
respond_to do |format|
format.html {
if @request == "active" && authenticated?
redirect_to root_url and return
end
respond_with(@maps, @request, @user)
}
format.json { render json: @maps }
end
end
# GET maps/:id
def show
@current = current_user
@map = Map.find(params[:id]).authorize_to_show(@current)
if not @map
redirect_to root_url, notice: "Access denied. That map is private." and return
end
respond_to do |format|
format.html {
@allmappers = @map.contributors
@alltopics = @map.topics.delete_if {|t| t.permission == "private" && (!authenticated? || (authenticated? && @current.id != t.user_id)) }
@allsynapses = @map.synapses.delete_if {|s| s.permission == "private" && (!authenticated? || (authenticated? && @current.id != s.user_id)) }
@allmappings = @map.mappings.delete_if {|m|
if m.category == "Synapse"
object = m.synapse
elsif m.category == "Topic"
object = m.topic
end
!object || (object.permission == "private" && (!authenticated? || (authenticated? && @current.id != object.user_id)))
}
respond_with(@allmappers, @allmappings, @allsynapses, @alltopics, @map)
}
format.json { render json: @map }
end
end
# GET maps/:id/contains
def contains
@current = current_user
@map = Map.find(params[:id]).authorize_to_show(@current)
if not @map
redirect_to root_url, notice: "Access denied. That map is private." and return
end
@allmappers = @map.contributors
@alltopics = @map.topics.delete_if {|t| t.permission == "private" && (!authenticated? || (authenticated? && @current.id != t.user_id)) }
@allsynapses = @map.synapses.delete_if {|s| s.permission == "private" && (!authenticated? || (authenticated? && @current.id != s.user_id)) }
@allmappings = @map.mappings.delete_if {|m|
if m.category == "Synapse"
object = m.synapse
elsif m.category == "Topic"
object = m.topic
end
!object || (object.permission == "private" && (!authenticated? || (authenticated? && @current.id != object.user_id)))
}
@json = Hash.new()
@json['map'] = @map
@json['topics'] = @alltopics
@json['synapses'] = @allsynapses
@json['mappings'] = @allmappings
@json['mappers'] = @allmappers
respond_to do |format|
format.json { render json: @json }
end
end
# POST maps
def create
@user = current_user
@map = Map.new()
@map.name = params[:name]
@map.desc = params[:desc]
@map.permission = params[:permission]
@map.user = @user
@map.arranged = false
@map.save
if params[:topicsToMap]
@all = params[:topicsToMap]
@all = @all.split(',')
@all.each do |topic|
topic = topic.split('/')
@mapping = Mapping.new()
@mapping.category = "Topic"
@mapping.user = @user
@mapping.map = @map
@mapping.topic = Topic.find(topic[0])
@mapping.xloc = topic[1]
@mapping.yloc = topic[2]
@mapping.save
end
if params[:synapsesToMap]
@synAll = params[:synapsesToMap]
@synAll = @synAll.split(',')
@synAll.each do |synapse_id|
@mapping = Mapping.new()
@mapping.category = "Synapse"
@mapping.user = @user
@mapping.map = @map
@mapping.synapse = Synapse.find(synapse_id)
@mapping.save
end
end
@map.arranged = true
@map.save
end
respond_to do |format|
format.json { render :json => @map }
end
end
# PUT maps/:id
def update
@current = current_user
@map = Map.find(params[:id]).authorize_to_edit(@current)
respond_to do |format|
if !@map
format.json { render json: "unauthorized" }
elsif @map.update_attributes(params[:map])
format.json { head :no_content }
else
format.json { render json: @map.errors, status: :unprocessable_entity }
end
end
end
# POST maps/:id/upload_screenshot
def screenshot
@current = current_user
@map = Map.find(params[:id]).authorize_to_edit(@current)
if @map
png = Base64.decode64(params[:encoded_image]['data:image/png;base64,'.length .. -1])
StringIO.open(png) do |data|
data.class.class_eval { attr_accessor :original_filename, :content_type }
data.original_filename = "map-" + @map.id.to_s + "-screenshot.png"
data.content_type = "image/png"
@map.screenshot = data
end
if @map.save
render :json => {:message => "Successfully uploaded the map screenshot."}
else
render :json => {:message => "Failed to upload image."}
end
else
render :json => {:message => "Unauthorized to set map screenshot."}
end
end
# DELETE maps/:id
def destroy
@current = current_user
@map = Map.find(params[:id]).authorize_to_delete(@current)
if @map
@mappings = @map.mappings
@mappings.each do |mapping|
mapping.delete
end
@map.delete
end
respond_to do |format|
format.json {
if @map
render json: "success"
else
render json: "unauthorized"
end
}
end
end
end