@decaf-ts/db-decorators/lib/esm/model/validation.js

Agnostic database decorators and repository

import { ModelErrorDefinition, ModelKeys, ReservedModels, sf, Validation, ValidationKeys, } from "@decaf-ts/decorator-validation";
import { Reflection } from "@decaf-ts/reflection";
import { UpdateValidationKeys } from "../validation";
import { findModelId } from "../identity";
/**
 * @summary Validates the update of a model
 *
 * @param {T} oldModel
 * @param {T} newModel
 * @param {string[]} [exceptions]
 *
 * @function validateCompare
 * @return {ModelErrorDefinition | undefined}
 *
 * @memberOf module:db-decorators.Model
 */
export function validateCompare(oldModel, newModel, ...exceptions) {
    const decoratedProperties = [];
    for (const prop in newModel)
        if (Object.prototype.hasOwnProperty.call(newModel, prop) &&
            exceptions.indexOf(prop) === -1)
            decoratedProperties.push(Reflection.getPropertyDecorators(UpdateValidationKeys.REFLECT, newModel, prop));
    let result = undefined;
    for (const decoratedProperty of decoratedProperties) {
        const { prop, decorators } = decoratedProperty;
        decorators.shift(); // remove the design:type decorator, since the type will already be checked
        if (!decorators || !decorators.length)
            continue;
        let errs = undefined;
        for (const decorator of decorators) {
            const validator = Validation.get(decorator.key);
            if (!validator) {
                console.error(`Could not find Matching validator for ${decorator.key} for property ${String(decoratedProperty.prop)}`);
                continue;
            }
            const err = validator.updateHasErrors(newModel[prop.toString()], oldModel[prop.toString()], ...Object.values(decorator.props));
            if (err) {
                errs = errs || {};
                errs[decorator.key] = err;
            }
        }
        if (errs) {
            result = result || {};
            result[decoratedProperty.prop.toString()] = errs;
        }
    }
    // tests nested classes
    for (const prop of Object.keys(newModel).filter((k) => {
        if (exceptions.includes(k))
            return false;
        return !result || !result[k];
    })) {
        let err;
        // if a nested Model
        const allDecorators = Reflection.getPropertyDecorators(ValidationKeys.REFLECT, newModel, prop).decorators;
        const decorators = Reflection.getPropertyDecorators(ValidationKeys.REFLECT, newModel, prop).decorators.filter((d) => [ModelKeys.TYPE, ValidationKeys.TYPE].indexOf(d.key) !== -1);
        if (!decorators || !decorators.length)
            continue;
        const dec = decorators.pop();
        const clazz = dec.props.name
            ? [dec.props.name]
            : Array.isArray(dec.props.customTypes)
                ? dec.props.customTypes
                : [dec.props.customTypes];
        const reserved = Object.values(ReservedModels).map((v) => v.toLowerCase());
        for (const c of clazz) {
            if (reserved.indexOf(c.toLowerCase()) === -1) {
                switch (c) {
                    case Array.name:
                    case Set.name:
                        if (allDecorators.length) {
                            const listDec = allDecorators.find((d) => d.key === ValidationKeys.LIST);
                            if (listDec) {
                                let currentList, oldList;
                                switch (c) {
                                    case Array.name:
                                        currentList = newModel[prop];
                                        oldList = oldModel[prop];
                                        break;
                                    case Set.name:
                                        currentList = newModel[prop].values();
                                        oldList = oldModel[prop].values();
                                        break;
                                    default:
                                        throw new Error(`Invalid attribute type ${c}`);
                                }
                                err = currentList
                                    .map((v) => {
                                    const id = findModelId(v, true);
                                    if (!id)
                                        return "Failed to find model id";
                                    const oldModel = oldList.find((el) => id === findModelId(el, true));
                                    if (!oldModel)
                                        return; // nothing to compare with
                                    return v.hasErrors(oldModel);
                                })
                                    .filter((e) => !!e);
                                if (!err?.length) {
                                    // if the result is an empty list...
                                    err = undefined;
                                }
                            }
                        }
                        break;
                    default:
                        try {
                            if (newModel[prop] &&
                                oldModel[prop])
                                err = newModel[prop].hasErrors(oldModel[prop]);
                            // eslint-disable-next-line @typescript-eslint/no-unused-vars
                        }
                        catch (e) {
                            console.warn(sf("Model should be validatable but its not"));
                        }
                }
            }
            if (err) {
                result = result || {};
                result[prop] = err;
            }
        }
    }
    return result ? new ModelErrorDefinition(result) : undefined;
}
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{\n  Model,\n  ModelErrorDefinition,\n  ModelErrors,\n  ModelKeys,\n  ReservedModels,\n  sf,\n  Validatable,\n  Validation,\n  ValidationKeys,\n  ValidationPropertyDecoratorDefinition,\n} from \"@decaf-ts/decorator-validation\";\nimport { DecoratorMetadata, Reflection } from \"@decaf-ts/reflection\";\nimport { UpdateValidationKeys, UpdateValidator } from \"../validation\";\nimport { findModelId } from \"../identity\";\n\n/**\n * @summary Validates the update of a model\n *\n * @param {T} oldModel\n * @param {T} newModel\n * @param {string[]} [exceptions]\n *\n * @function validateCompare\n * @return {ModelErrorDefinition | undefined}\n *\n * @memberOf module:db-decorators.Model\n */\nexport function validateCompare<M extends Model>(\n  oldModel: M,\n  newModel: M,\n  ...exceptions: string[]\n): ModelErrorDefinition | undefined {\n  const decoratedProperties: ValidationPropertyDecoratorDefinition[] = [];\n  for (const prop in newModel)\n    if (\n      Object.prototype.hasOwnProperty.call(newModel, prop) &&\n      exceptions.indexOf(prop) === -1\n    )\n      decoratedProperties.push(\n        Reflection.getPropertyDecorators(\n          UpdateValidationKeys.REFLECT,\n          newModel,\n          prop\n        ) as ValidationPropertyDecoratorDefinition\n      );\n\n  let result: ModelErrors | undefined = undefined;\n\n  for (const decoratedProperty of decoratedProperties) {\n    const { prop, decorators } = decoratedProperty;\n\n    decorators.shift(); // remove the design:type decorator, since the type will already be checked\n\n    if (!decorators || !decorators.length) continue;\n    let errs: Record<string, string | undefined> | undefined = undefined;\n\n    for (const decorator of decorators) {\n      const validator: UpdateValidator = Validation.get(\n        decorator.key\n      ) as UpdateValidator;\n      if (!validator) {\n        console.error(\n          `Could not find Matching validator for ${decorator.key} for property ${String(decoratedProperty.prop)}`\n        );\n        continue;\n      }\n\n      const err: string | undefined = validator.updateHasErrors(\n        (newModel as any)[prop.toString()],\n        (oldModel as any)[prop.toString()],\n        ...Object.values(decorator.props)\n      );\n\n      if (err) {\n        errs = errs || {};\n        errs[decorator.key] = err;\n      }\n    }\n\n    if (errs) {\n      result = result || {};\n      result[decoratedProperty.prop.toString()] = errs;\n    }\n  }\n  // tests nested classes\n  for (const prop of Object.keys(newModel).filter((k) => {\n    if (exceptions.includes(k)) return false;\n    return !result || !result[k];\n  })) {\n    let err: string | undefined;\n    // if a nested Model\n    const allDecorators = Reflection.getPropertyDecorators(\n      ValidationKeys.REFLECT,\n      newModel,\n      prop\n    ).decorators;\n    const decorators = Reflection.getPropertyDecorators(\n      ValidationKeys.REFLECT,\n      newModel,\n      prop\n    ).decorators.filter(\n      (d) => [ModelKeys.TYPE, ValidationKeys.TYPE].indexOf(d.key as any) !== -1\n    );\n    if (!decorators || !decorators.length) continue;\n    const dec = decorators.pop() as DecoratorMetadata;\n    const clazz = dec.props.name\n      ? [dec.props.name]\n      : Array.isArray(dec.props.customTypes)\n        ? dec.props.customTypes\n        : [dec.props.customTypes];\n    const reserved = Object.values(ReservedModels).map((v) =>\n      v.toLowerCase()\n    ) as string[];\n\n    for (const c of clazz) {\n      if (reserved.indexOf(c.toLowerCase()) === -1) {\n        switch (c) {\n          case Array.name:\n          case Set.name:\n            if (allDecorators.length) {\n              const listDec = allDecorators.find(\n                (d) => d.key === ValidationKeys.LIST\n              );\n              if (listDec) {\n                let currentList, oldList;\n\n                switch (c) {\n                  case Array.name:\n                    currentList = (newModel as Record<string, any>)[prop];\n                    oldList = (oldModel as Record<string, any>)[prop];\n                    break;\n                  case Set.name:\n                    currentList = (newModel as Record<string, any>)[\n                      prop\n                    ].values();\n                    oldList = (oldModel as Record<string, any>)[prop].values();\n                    break;\n                  default:\n                    throw new Error(`Invalid attribute type ${c}`);\n                }\n\n                err = currentList\n                  .map((v: Validatable) => {\n                    const id = findModelId(v as any, true);\n                    if (!id) return \"Failed to find model id\";\n                    const oldModel = oldList.find(\n                      (el: any) => id === findModelId(el, true)\n                    );\n\n                    if (!oldModel) return; // nothing to compare with\n                    return v.hasErrors(oldModel);\n                  })\n                  .filter((e: any) => !!e) as any;\n\n                if (!err?.length) {\n                  // if the result is an empty list...\n                  err = undefined;\n                }\n              }\n            }\n            break;\n          default:\n            try {\n              if (\n                (newModel as Record<string, any>)[prop] &&\n                (oldModel as Record<string, any>)[prop]\n              )\n                err = (newModel as Record<string, any>)[prop].hasErrors(\n                  (oldModel as Record<string, any>)[prop]\n                );\n              // eslint-disable-next-line @typescript-eslint/no-unused-vars\n            } catch (e: any) {\n              console.warn(sf(\"Model should be validatable but its not\"));\n            }\n        }\n      }\n      if (err) {\n        result = result || {};\n        result[prop] = err as any;\n      }\n    }\n  }\n  return result ? new ModelErrorDefinition(result) : undefined;\n}\n"]}