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Merge pull request #16 from icefoganalytics/main
Updates from IceFog
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,142 +1,9 @@ | ||
| import { isArray, isFunction, isNil, reduce } from "lodash" | ||
| import { Model } from "sequelize" | ||
|
|
||
| type Extractor<Model> = (model: Model) => any | undefined | ||
| type FieldConstructorOptions<Model> = { name?: string; extractor?: Extractor<Model> } | ||
| export default class BaseSerializer<T extends Model> { | ||
| protected record: T | ||
|
|
||
| class Field<Model> { | ||
| method: string | ||
| name: string | undefined | ||
| extractor: Extractor<Model> | undefined | ||
|
|
||
| constructor(method: string) | ||
| constructor(method: string, extractor: Extractor<Model>) | ||
| constructor(method: string, options: FieldConstructorOptions<Model>) | ||
| constructor(method: string, extractor: Extractor<Model>, options: FieldConstructorOptions<Model>) | ||
| constructor( | ||
| method: string, | ||
| optionsOrExtractor?: Extractor<Model> | FieldConstructorOptions<Model>, | ||
| options?: FieldConstructorOptions<Model> | ||
| ) | ||
| constructor( | ||
| method: string, | ||
| optionsOrExtractor?: Extractor<Model> | FieldConstructorOptions<Model>, | ||
| options?: FieldConstructorOptions<Model> | ||
| ) { | ||
| if (isFunction(optionsOrExtractor)) { | ||
| this.method = method | ||
| this.extractor = optionsOrExtractor | ||
| this.name = options?.name | ||
| } else { | ||
| this.method = method | ||
| this.extractor = options?.extractor | ||
| this.name = options?.name | ||
| } | ||
| } | ||
| } | ||
|
|
||
| class View<Model extends Record<string, any>> { | ||
| name: string | ||
| fields: Record<string, Field<Model>> | ||
|
|
||
| constructor(name: string) { | ||
| this.name = name | ||
| this.fields = {} | ||
| } | ||
|
|
||
| serialize(model: Model) { | ||
| return reduce( | ||
| this.fields, | ||
| (result: Record<string, any>, field: Field<Model>) => { | ||
| const { method, name, extractor } = field | ||
| if (name !== undefined && extractor !== undefined) { | ||
| result[name] = extractor(model) | ||
| } else if (!isNil(extractor)) { | ||
| result[method] = extractor(model) | ||
| } else { | ||
| result[method] = model[method] | ||
| } | ||
| return result | ||
| }, | ||
| {} | ||
| ) | ||
| } | ||
|
|
||
| addFields(...methods: string[]): Field<Model>[] { | ||
| return methods.map((method) => { | ||
| return this.addField(method) | ||
| }) | ||
| } | ||
|
|
||
| addField( | ||
| ...args: ConstructorParameters<typeof Field<Model>> | ||
| ): Field<Model> { | ||
| const method = args[0] | ||
| const field = new Field<Model>(...args) | ||
| this.fields[method] = field | ||
| return field | ||
| } | ||
| } | ||
|
|
||
| type SerializationOptions = { view?: string } | ||
|
|
||
| export default class BaseSerializer<Model extends Record<string, any>> { | ||
| protected views: Record<string, View<Model>> | ||
| protected models: Model[] | ||
| protected model: Model | ||
| protected singular: boolean | ||
|
|
||
| constructor(model: Model) | ||
| constructor(models: Model[]) | ||
| constructor(modelOrModels: Model | Model[]) | ||
| constructor(modelOrModels: Model | Model[]) { | ||
| if (isArray(modelOrModels)) { | ||
| this.models = modelOrModels | ||
| this.model = modelOrModels[0] // or maybe should be undefined? | ||
| this.singular = false | ||
| } else { | ||
| this.models = [modelOrModels] // or maybe should be undefined? | ||
| this.model = modelOrModels | ||
| this.singular = true | ||
| } | ||
|
|
||
| this.views = {} | ||
| this.registerDefaultView() | ||
| } | ||
|
|
||
| public static serialize<Model extends Record<string, any>>( | ||
| modelOrModels: Model | Model[], | ||
| options: SerializationOptions = {} | ||
| ): Record<string, any>[] | Record<string, any> { | ||
| const instance = new this(modelOrModels) | ||
| return instance.serialize(options) | ||
| } | ||
|
|
||
| public serialize({ view }: SerializationOptions = {}): | ||
| | Record<string, any>[] | ||
| | Record<string, any> { | ||
| return this.callView(view) | ||
| } | ||
|
|
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| protected callView(viewName: string = "default") { | ||
| const view = this.views[viewName] | ||
| if (isNil("view")) throw new Error(`View ${viewName} has not been declared on serializer.`) | ||
|
|
||
| if (this.singular) { | ||
| return view.serialize(this.model) | ||
| } else { | ||
| return this.models.map((model) => { | ||
| return view.serialize(model) | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| protected addView(name: string): View<Model> { | ||
| const view = new View<Model>(name) | ||
| this.views[name] = view | ||
| return view | ||
| } | ||
|
|
||
| protected registerDefaultView() { | ||
| throw new Error("Not implemented") | ||
| constructor(record: T) { | ||
| this.record = record | ||
| } | ||
| } |
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48 changes: 23 additions & 25 deletions
48
api/src/serializers/funding-submission-line-serializer.ts
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