sales_backend/src/sales_backend/http/category.cr

require "kemal"
require "../*"
require "io"
require "file"
require "exception"
require "uuid"
require "uuid/json"
require "../../config"




post "/category" do |context|
    begin
        begin
            user = authenticate_admin!(context.request.headers["user"],UUID.new(context.request.headers["api_token"]))
        rescue ex
            halt context, status_code: 403, response: ex.to_s
        end
        cat = Category.from_json(context.request.body.not_nil!).not_nil!
        if cat.name_id.count(' ')==0
            File.write Statics.data_path+"category/"+cat.name_id,cat.to_json
        else
            halt context, status_code: 400, response: "name_id should not contain spaces ' ' or '/'"
        end
    rescue ex
        halt context, status_code: 500, response: ex.to_s
    end
    "OK".to_json
end

get "/category/m/:id" do |context|
    begin
        ret = Category.from_json File.read Statics.data_path+"category/"+context.params.url["id"]
    rescue ex
        halt context, status_code: 404, response: ex.to_s
    end
    ret.to_json
end

get "/category/d/:id" do |context|
    ret = Array(Product).new
    begin
        cat = Category.from_json File.read Statics.data_path+"category/"+context.params.url["id"]
        sent=0
        skipped=0
        skip, limit = Statics.extract_skip_info context

        cat.products.each do |product|
            begin
                if(skipped<skip)
                    skipped+=1
                else
                    ret.push Product.from_json File.read Statics.data_path+"products/"+product.to_s
                    sent+=1
                end
            rescue
            end
        end
    rescue ex
        halt context, status_code: 404, response: ex.to_s
    end
    ret.to_json
end