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resource-type-field.js
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resource-type-field.js
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var Sealious = require("../main.js");
var Promise = require("bluebird");
function ResourceTypeField(declaration, resource_type) {
this.name = declaration.name;
this.type_name = declaration.type;
this.human_readable_name = declaration.human_readable_name || null;
if(!Sealious.ChipManager.chip_exists("field_type", this.type_name)) {
throw new Sealious.Errors.DeveloperError("In declaration of resource type '" + resource_type.name +"': unknown field type '"+this.type_name+"' in field '"+this.name+"'.");
}
var type_constructor = Sealious.ChipManager.get_chip("field_type", declaration.type);
this.type_parameters = declaration.params;
this.default_value = declaration.default_value;
this.type = new type_constructor();
this.type.set_params(declaration.params);
this.type.init && this.type.init();
this.required = declaration.required || false;
this.derived = declaration.derived || false;
};
ResourceTypeField.prototype = new function(){
/**
* Shorthand for ResourceTypeField.type.isProperValue
* @alias ResourceTypeField#isProperValue
* @param {object} value
* @return {Promise}
*/
this.check_value = function(context, value, old_value){
return this.type.isProperValue(context, value, old_value);
/*var _arguments;
if(this.type.isProperValue.uses_context){
_arguments = [context, value, old_value]
}else{
_arguments = [value, old_value]
}
var ret = this.type.isProperValue.apply(this.type, _arguments);
return ret;
/*
.catch(function(err){
console.log("caught error", err);
var new_error={};
new_error[this.name] = err;
return Promise.reject(new_error);
}.bind(this));
*/
}
function to_map(name, value){
var obj = {};
obj[name] = value;
return Promise.resolve(obj);
}
this.has_previous_value_sensitive_methods = function(){
if (this.encode_value.old_value_sensitive || this.decodeValue.old_value_sensitive || this.type.old_value_sensitive)
return true;
return false;
}
this.encode_value = function(context, value, old_value){
var _arguments;
if(this.type.encode.uses_context){
_arguments = [context, value];
}else{
_arguments = [value];
}
if(this.type.old_value_sensitive){
_arguments.push(old_value)
}
return this.type.encode.apply(this.type, _arguments);
}
this.decode_value = function(context, value_in_database){
if(this.type.decode.uses_context){
_arguments = [context, value_in_database];
}else{
_arguments = [value_in_database];
}
var decode_value = this.type.decode.apply(this.type, _arguments);
return decode_value;
}
this.get_signature = function(with_validator){
//with_validator:boolean - whether to include validator function in field description. Warning! If set to true, the output is not serializable in JSON.
var field_signature = {};
field_signature.name = this.name;
field_signature.type = this.type_name;
field_signature.required = this.required;
field_signature.human_readable_name = (typeof this.human_readable_name=="string")? this.human_readable_name : undefined;
field_signature.params = this.type.get_params();
field_signature.validate = this.check_value.bind(this);
field_signature.default_value = this.default_value;
return field_signature;
}
}
module.exports = ResourceTypeField;

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