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silverbullet/common/syscalls/sync.ts

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2023-01-13 14:41:29 +00:00
import { SysCallMapping } from "../../plugos/system.ts";
import type { SyncEndpoint } from "../../plug-api/silverbullet-syscall/sync.ts";
import { SpaceSync, SyncStatusItem } from "../spaces/sync.ts";
import { HttpSpacePrimitives } from "../spaces/http_space_primitives.ts";
import { SpacePrimitives } from "../spaces/space_primitives.ts";
export function syncSyscalls(localSpace: SpacePrimitives): SysCallMapping {
return {
"sync.sync": async (
_ctx,
endpoint: SyncEndpoint,
snapshot: Record<string, SyncStatusItem>,
): Promise<
{
snapshot: Record<string, SyncStatusItem>;
operations: number;
// The reason to not just throw an Error is so that the partially updated snapshot can still be saved
error?: string;
}
> => {
const syncSpace = new HttpSpacePrimitives(
endpoint.url,
endpoint.user,
endpoint.password,
// Base64 PUTs to support mobile
true,
);
// Convert from JSON to a Map
const syncStatusMap = new Map<string, SyncStatusItem>(
Object.entries(snapshot),
);
const spaceSync = new SpaceSync(
localSpace,
syncSpace,
syncStatusMap,
);
try {
const operations = await spaceSync.syncFiles(
SpaceSync.primaryConflictResolver,
);
return {
// And convert back to JSON
snapshot: Object.fromEntries(spaceSync.snapshot),
operations,
};
} catch (e: any) {
return {
snapshot: Object.fromEntries(spaceSync.snapshot),
operations: -1,
error: e.message,
};
}
},
"sync.check": async (_ctx, endpoint: SyncEndpoint): Promise<void> => {
const syncSpace = new HttpSpacePrimitives(
endpoint.url,
endpoint.user,
endpoint.password,
);
// Let's just fetch the file list to see if it works
await syncSpace.fetchFileList();
},
};
}