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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | 28x 28x | import { sdk, StorageBase, table, verifyOne } from '../..'
export async function requestSyncChunk(storage: sdk.StorageSyncReader, args: sdk.RequestSyncChunkArgs): Promise<sdk.RequestSyncChunkResult> {
const r: sdk.RequestSyncChunkResult = {}
let itemCount = args.maxItems
let roughSize = args.maxRoughSize
let i = 0
let done = false
const user = verifyOne(await storage.findUsers({ partial: { identityKey: args.identityKey } }))
const addItems = async (a: ChunkerArgs) => {
Iif (i >= args.offsets.length) { done = true; return }
let { offset, name: oname } = args.offsets[i++]
Iif (a.name !== oname) throw new sdk.WERR_INVALID_PARAMETER('offsets', `in dependency order. '${a.name}' expected, found ${oname}.`);
let preAddCalled = false
for (; !done;) {
const limit = Math.min(itemCount, Math.max(10, args.maxItems / a.maxDivider))
Iif (limit <= 0) break;
const items = await a.findItems(storage, user.userId, args.since, limit, offset)
checkEntityValues(items)
Iif (!preAddCalled) { a.preAdd(); preAddCalled = true }
Iif (items.length === 0) break;
for (const item of items) {
offset++
a.addItem(item)
itemCount--
roughSize -= JSON.stringify(item).length
Iif (itemCount <= 0 || roughSize < 0) { done = true; break; }
}
}
}
const chunkers: ChunkerArgs[] = [
{
name: 'provenTx', maxDivider: 100, preAdd: () => { r.provenTxs = [] }, addItem: (i: table.ProvenTx) => { r.provenTxs!.push(i) },
findItems: async (storage: sdk.StorageSyncReader, userId: number, since: Date | undefined, limit: number, offset: number) => { return await storage.getProvenTxsForUser(userId, since, { limit, offset }) }
},
{
name: 'outputBasket', maxDivider: 1, preAdd: () => { r.outputBaskets = [] }, addItem: (i: table.OutputBasket) => { r.outputBaskets!.push(i) },
findItems: async (storage: sdk.StorageSyncReader, userId: number, since: Date | undefined, limit: number, offset: number) => { return await storage.findOutputBaskets({ partial: { userId }, since, paged: { limit, offset } }) }
},
{
name: 'outputTag', maxDivider: 1, preAdd: () => { r.outputTags = [] }, addItem: (i: table.OutputTag) => { r.outputTags!.push(i) },
findItems: async (storage: sdk.StorageSyncReader, userId: number, since: Date | undefined, limit: number, offset: number) => { return await storage.findOutputTags({ partial: { userId }, since, paged: { limit, offset } }) }
},
{
name: 'txLabel', maxDivider: 1, preAdd: () => { r.txLabels = [] }, addItem: (i: table.TxLabel) => { r.txLabels!.push(i) },
findItems: async (storage: sdk.StorageSyncReader, userId: number, since: Date | undefined, limit: number, offset: number) => { return await storage.findTxLabels({ partial: { userId }, since, paged: { limit, offset } }) }
},
{
name: 'transaction', maxDivider: 25, preAdd: () => { r.transactions = [] }, addItem: (i: table.Transaction) => { r.transactions!.push(i) },
findItems: async (storage: sdk.StorageSyncReader, userId: number, since: Date | undefined, limit: number, offset: number) => { return await storage.findTransactions({ partial: { userId }, since, paged: { limit, offset } }) }
},
{
name: 'output', maxDivider: 25, preAdd: () => { r.outputs = [] }, addItem: (i: table.Output) => { r.outputs!.push(i) },
findItems: async (storage: sdk.StorageSyncReader, userId: number, since: Date | undefined, limit: number, offset: number) => { return await storage.findOutputs({ partial: { userId }, since, paged: { limit, offset } }) }
},
{
name: 'txLabelMap', maxDivider: 1, preAdd: () => { r.txLabelMaps = [] }, addItem: (i: table.TxLabelMap) => { r.txLabelMaps!.push(i) },
findItems: async (storage: sdk.StorageSyncReader, userId: number, since: Date | undefined, limit: number, offset: number) => { return await storage.getTxLabelMapsForUser(userId, since, { limit, offset }) }
},
{
name: 'outputTagMap', maxDivider: 1, preAdd: () => { r.outputTagMaps = [] }, addItem: (i: table.OutputTagMap) => { r.outputTagMaps!.push(i) },
findItems: async (storage: sdk.StorageSyncReader, userId: number, since: Date | undefined, limit: number, offset: number) => { return await storage.getOutputTagMapsForUser(userId, since, { limit, offset }) }
},
{
name: 'certificate', maxDivider: 25, preAdd: () => { r.certificates = [] }, addItem: (i: table.Certificate) => { r.certificates!.push(i) },
findItems: async (storage: sdk.StorageSyncReader, userId: number, since: Date | undefined, limit: number, offset: number) => { return await storage.findCertificates({ partial: { userId }, since, paged: { limit, offset } }) }
},
{
name: 'certificateField', maxDivider: 25, preAdd: () => { r.certificateFields = [] }, addItem: (i: table.CertificateField) => { r.certificateFields!.push(i) },
findItems: async (storage: sdk.StorageSyncReader, userId: number, since: Date | undefined, limit: number, offset: number) => { return await storage.findCertificateFields({ partial: { userId }, since, paged: { limit, offset } }) }
},
{
name: 'commission', maxDivider: 25, preAdd: () => { r.commissions = [] }, addItem: (i: table.Commission) => { r.commissions!.push(i) },
findItems: async (storage: sdk.StorageSyncReader, userId: number, since: Date | undefined, limit: number, offset: number) => { return await storage.findCommissions({ partial: { userId }, since, paged: { limit, offset } }) }
},
{
name: 'provenTxReq', maxDivider: 100, preAdd: () => { r.provenTxReqs = [] }, addItem: (i: table.ProvenTxReq) => { r.provenTxReqs!.push(i) },
findItems: async (storage: sdk.StorageSyncReader, userId: number, since: Date | undefined, limit: number, offset: number) => { return await storage.getProvenTxReqsForUser(userId, since, { limit, offset }) }
},
]
for (; !done;) {
for (const c of chunkers) {
await addItems(c)
}
}
return r
}
type ChunkerArgs = {
name: string,
maxDivider: number,
preAdd: () => void,
addItem: (i: any) => void,
findItems: (
storage: sdk.StorageSyncReader,
userId: number,
since: Date | undefined,
limit: number,
offset: number
) => Promise<any[]>,
}
function checkIsDate(v: any) {
Iif (!(v instanceof Date))
throw new sdk.WERR_INVALID_OPERATION('bad date')
}
function checkEntityValues(es: object[]) {
for (const e of es) {
checkIsDate(e['created_at'])
checkIsDate(e['updated_at'])
for (const key of Object.keys(e))
Iif (e[key] === null)
throw new sdk.WERR_INVALID_OPERATION()
}
} |