forked from cybrespace/pinafore
65 lines
2.0 KiB
JavaScript
65 lines
2.0 KiB
JavaScript
import cloneDeep from 'lodash/cloneDeep'
|
|
|
|
const STORE = 'statuses'
|
|
|
|
const dbPromise = new Promise((resolve, reject) => {
|
|
let req = indexedDB.open(STORE, 1)
|
|
req.onerror = reject
|
|
req.onblocked = () => {
|
|
console.log('idb blocked')
|
|
}
|
|
req.onupgradeneeded = () => {
|
|
let db = req.result;
|
|
let oStore = db.createObjectStore(STORE, {
|
|
keyPath: 'id'
|
|
})
|
|
oStore.createIndex('created_at', 'created_at')
|
|
oStore.createIndex('pinafore_id_as_negative_big_int', 'pinafore_id_as_negative_big_int')
|
|
oStore.createIndex('pinafore_id_as_big_int', 'pinafore_id_as_big_int')
|
|
}
|
|
req.onsuccess = () => resolve(req.result)
|
|
})
|
|
|
|
function transformStatusForStorage(status) {
|
|
status = cloneDeep(status)
|
|
status.pinafore_id_as_big_int = parseInt(status, 10)
|
|
status.pinafore_id_as_negative_big_int = -parseInt(status, 10)
|
|
status.pinafore_stale = true
|
|
return status
|
|
}
|
|
|
|
export async function getTimelineAfter(max_id = null, limit = 20) {
|
|
const db = await dbPromise
|
|
return await new Promise((resolve, reject) => {
|
|
const tx = db.transaction(STORE, 'readonly')
|
|
const store = tx.objectStore(STORE)
|
|
const index = store.index('pinafore_id_as_negative_big_int')
|
|
let res
|
|
let sinceAsNegativeBigInt = max_id === null ? null : -parseInt(max_id, 10)
|
|
let query = sinceAsNegativeBigInt === null ? null : IDBKeyRange.lowerBound(sinceAsNegativeBigInt, false)
|
|
|
|
index.getAll(query, limit).onsuccess = (e) => {
|
|
console.log('done calling getAll()')
|
|
res = e.target.result
|
|
}
|
|
|
|
tx.oncomplete = () => {
|
|
console.log('complete')
|
|
resolve(res)
|
|
}
|
|
tx.onerror = reject
|
|
})
|
|
}
|
|
|
|
export async function insertStatuses(statuses) {
|
|
const db = await dbPromise
|
|
return await new Promise((resolve, reject) => {
|
|
const tx = db.transaction(STORE, 'readwrite')
|
|
const store = tx.objectStore(STORE)
|
|
for (let status of statuses) {
|
|
store.put(transformStatusForStorage(status))
|
|
}
|
|
tx.oncomplete = resolve
|
|
tx.onerror = reject
|
|
})
|
|
} |