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							- /**
 
-  * Created by Zhong on 2017/9/28.
 
-  */
 
- let mongoose = require('mongoose');
 
- const optionsModel = mongoose.model('options');
 
- class OptionsDao {
 
-     async getOptions(user_id, compilation_id){
 
-         let rst = await optionsModel.find({user_id: user_id, compilation_id: compilation_id});
 
-         rst = rst.length > 0 && typeof rst[0].options !== 'undefined' ? rst[0].options : null;
 
-         return rst;
 
-     }
 
-     async getOptionsByType(user_id, compilation_id, optsType){
 
-         let rst = await optionsModel.findOne({user_id: user_id, compilation_id: compilation_id});
 
-         if(rst){
 
-             return rst.options[optsType] !== undefined && rst.options[optsType] !== null ? rst.options[optsType] : null;
 
-         }
 
-     }
 
-     async saveOptions(user_id, compilation_id, optSetting){
 
-         let optionsData = await optionsModel.find({user_id: user_id, compilation_id: compilation_id});
 
-         if(optionsData.length === 0){
 
-             await optionsModel.create({user_id: user_id, compilation_id: compilation_id, options: optSetting});
 
-         }
 
-         await optionsModel.update({user_id: user_id, compilation_id: compilation_id}, optSetting);
 
-         let rst = await optionsModel.find({user_id: user_id, compilation_id: compilation_id});
 
-         return rst.length > 0 && typeof rst[0].options !== 'undefined' ? rst[0].options : null;
 
-     }
 
- }
 
- export default OptionsDao;
 
 
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