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Feature: Json Ripper and Data Providers (#221)
* fix/removeRelationshipLikeJsonApiSpecification * Json Ripper and Data Provider tested. Package json updated, last version of Jest used * jest types updated * getAll done for new JsonRipper * ripper ready for get() * circle ci require 1 node * json ripper fixed for hasOne = null * proposal: collection have resources[] or basicresources[] (#224) * Feature/without memory service (#226) * ContentType added (#227) * feature/dexie-work-with-elements-and-collections (#228) * Improve typing and test cahememory (#229) * fix/get-with-include (#230)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| export interface IObject { | ||
| [key: string]: any; | ||
| } | ||
|
|
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| export interface IElement { | ||
| key: string; | ||
| content: IObject; | ||
| } | ||
|
|
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| export type TableNameType = 'collections' | 'elements'; | ||
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|
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| export interface IDataProvider { | ||
| getElement(key: string, table_name: TableNameType): Promise<IObject | Array<IObject>>; | ||
| getElements(keys: Array<string>, table_name: TableNameType): Promise<Array<IObject>>; | ||
| saveElements(elements: Array<IElement>, table_name: TableNameType): Promise<void>; | ||
| updateElements(key_start_with: string, new_data: IObject, table_name: TableNameType): Promise<void>; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| import { IDataProvider, IObject, IElement } from './data-provider'; | ||
| import Dexie from 'dexie'; | ||
|
|
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| export class DexieDataProvider implements IDataProvider { | ||
| private static db: Dexie; | ||
|
|
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| public constructor() { | ||
| if (DexieDataProvider.db) { | ||
| return; | ||
| } | ||
| DexieDataProvider.db = new Dexie('dexie_data_provider'); | ||
| DexieDataProvider.db.version(1).stores({ | ||
| collections: '', | ||
| elements: '' | ||
| }); | ||
| } | ||
|
|
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| public async getElement(key: string, table_name = 'elements'): Promise<IObject | Array<IObject>> { | ||
| await DexieDataProvider.db.open(); | ||
| const data = await DexieDataProvider.db.table(table_name).get(key); | ||
| if (data === undefined) { | ||
| throw new Error(key + ' not found.'); | ||
| } | ||
|
|
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| return data; | ||
| } | ||
|
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| public async getElements(keys: Array<string>, table_name = 'elements'): Promise<Array<IObject>> { | ||
| let data = {}; | ||
| await DexieDataProvider.db | ||
| .table(table_name) | ||
| .where(':id') | ||
| .anyOf(keys) | ||
| .each(element => { | ||
| data[element.data.type + '.' + element.data.id] = element; | ||
| }); | ||
|
|
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| // we need to maintain same order, database return ordered by key | ||
| return keys.map(key => { | ||
| return data[key]; | ||
| }); | ||
| } | ||
|
|
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| // @todo implement dexie.modify(changes) | ||
| // @todo test | ||
| public async updateElements(key_start_with: string, changes: IObject, table_name = 'elements'): Promise<void> { | ||
| return DexieDataProvider.db.open().then(async () => { | ||
| if (key_start_with === '') { | ||
| return DexieDataProvider.db.table(table_name).clear(); | ||
| } else { | ||
| return DexieDataProvider.db | ||
| .table(table_name) | ||
| .where(':id') | ||
| .startsWith(key_start_with) | ||
| .delete() | ||
| .then(() => undefined); | ||
| } | ||
| }); | ||
| } | ||
|
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| public async saveElements(elements: Array<IElement>, table_name = 'elements'): Promise<void> { | ||
| let keys: Array<string> = []; | ||
| let items = elements.map(element => { | ||
| keys.push(element.key); | ||
|
|
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| return element.content; | ||
| }); | ||
|
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| return DexieDataProvider.db.open().then(() => { | ||
| DexieDataProvider.db.table(table_name).bulkPut(items, keys); | ||
| }); | ||
| } | ||
| } |
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