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Refactor contact sync processing

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Fedor Indutny 2022-08-24 22:04:42 -07:00 • committed by GitHub
parent 76e73f63dc
commit 7ce4beb270
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10 changed files with 229 additions and 156 deletions
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28
ts/textsecure/ContactsParser.ts
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@ -30,10 +30,12 @@ export type ModifiedGroupDetails = MessageWithAvatar<Proto.GroupDetails>;
export type ModifiedContactDetails = MessageWithAvatar<Proto.ContactDetails>;
class ParserBase<
abstract class ParserBase<
Message extends OptionalAvatar,
Decoder extends DecoderBase<Message>
> {
Decoder extends DecoderBase<Message>,
Result
> implements Iterable<Result>
{
protected readonly reader: protobuf.Reader;
constructor(bytes: Uint8Array, private readonly decoder: Decoder) {
@ -83,17 +85,28 @@ class ParserBase<
return undefined;
}
}
public abstract next(): Result | undefined;
*[Symbol.iterator](): Iterator<Result> {
let result = this.next();
while (result !== undefined) {
yield result;
result = this.next();
}
}
}
export class GroupBuffer extends ParserBase<
Proto.GroupDetails,
typeof Proto.GroupDetails
typeof Proto.GroupDetails,
ModifiedGroupDetails
> {
constructor(arrayBuffer: Uint8Array) {
super(arrayBuffer, Proto.GroupDetails);
}
public next(): ModifiedGroupDetails | undefined {
public override next(): ModifiedGroupDetails | undefined {
const proto = this.decodeDelimited();
if (!proto) {
return undefined;
@ -120,13 +133,14 @@ export class GroupBuffer extends ParserBase<
export class ContactBuffer extends ParserBase<
Proto.ContactDetails,
typeof Proto.ContactDetails
typeof Proto.ContactDetails,
ModifiedContactDetails
> {
constructor(arrayBuffer: Uint8Array) {
super(arrayBuffer, Proto.ContactDetails);
}
public next(): ModifiedContactDetails | undefined {
public override next(): ModifiedContactDetails | undefined {
const proto = this.decodeDelimited();
if (!proto) {
return undefined;