Searching: Combine the events before letting the client process them.

This commit is contained in:
Damir Jelić 2020-06-03 14:16:02 +02:00
parent c1ef193e3a
commit b6198e0ab9

View file

@ -17,7 +17,9 @@ limitations under the License.
import EventIndexPeg from "./indexing/EventIndexPeg"; import EventIndexPeg from "./indexing/EventIndexPeg";
import {MatrixClientPeg} from "./MatrixClientPeg"; import {MatrixClientPeg} from "./MatrixClientPeg";
function serverSideSearch(term, roomId = undefined) { async function serverSideSearch(term, roomId = undefined, processResult = true) {
const client = MatrixClientPeg.get();
let filter; let filter;
if (roomId !== undefined) { if (roomId !== undefined) {
// XXX: it's unintuitive that the filter for searching doesn't have // XXX: it's unintuitive that the filter for searching doesn't have
@ -27,19 +29,59 @@ function serverSideSearch(term, roomId = undefined) {
}; };
} }
const searchPromise = MatrixClientPeg.get().searchRoomEvents({ const body = {
filter, search_categories: {
term, room_events: {
}); search_term: term,
filter: filter,
order_by: "recent",
event_context: {
before_limit: 1,
after_limit: 1,
include_profile: true,
},
},
},
};
return searchPromise; const response = await client.search({body: body});
if (processResult) {
const searchResult = {
_query: body,
results: [],
highlights: [],
};
return client._processRoomEventsSearch(searchResult, response);
}
const result = {
response: response,
query: body,
};
return result;
}
function compareEvents(a, b) {
const aEvent = a.result;
const bEvent = b.result;
if (aEvent.origin_server_ts >
bEvent.origin_server_ts) return -1;
if (aEvent.origin_server_ts <
bEvent.origin_server_ts) return 1;
return 0;
} }
async function combinedSearch(searchTerm) { async function combinedSearch(searchTerm) {
const client = MatrixClientPeg.get();
// Create two promises, one for the local search, one for the // Create two promises, one for the local search, one for the
// server-side search. // server-side search.
const serverSidePromise = serverSideSearch(searchTerm); const serverSidePromise = serverSideSearch(searchTerm, undefined, false);
const localPromise = localSearch(searchTerm); const localPromise = localSearch(searchTerm, undefined, false);
// Wait for both promises to resolve. // Wait for both promises to resolve.
await Promise.all([serverSidePromise, localPromise]); await Promise.all([serverSidePromise, localPromise]);
@ -48,45 +90,34 @@ async function combinedSearch(searchTerm) {
const localResult = await localPromise; const localResult = await localPromise;
const serverSideResult = await serverSidePromise; const serverSideResult = await serverSidePromise;
// Combine the search results into one result. const serverQuery = serverSideResult.query;
const result = {}; const serverResponse = serverSideResult.response;
// Our localResult and serverSideResult are both ordered by const localQuery = localResult.query;
// recency separately, when we combine them the order might not const localResponse = localResult.response;
// be the right one so we need to sort them.
const compare = (a, b) => {
const aEvent = a.context.getEvent().event;
const bEvent = b.context.getEvent().event;
if (aEvent.origin_server_ts > const emptyResult = {
bEvent.origin_server_ts) return -1; seshatQuery: localQuery,
if (aEvent.origin_server_ts < _query: serverQuery,
bEvent.origin_server_ts) return 1; serverSideNextBatch: serverResponse.next_batch,
return 0; results: [],
highlights: [],
}; };
result.count = localResult.count + serverSideResult.count; const combinedResult = combineResponses(emptyResult, localResponse, serverResponse.search_categories.room_events);
result.results = localResult.results.concat(
serverSideResult.results).sort(compare);
result.highlights = localResult.highlights.concat(
serverSideResult.highlights);
result.seshatQuery = localResult.seshatQuery; const response = {
result.serverSideNextBatch = serverSideResult.next_batch; search_categories: {
result._query = serverSideResult._query; room_events: combinedResult,
},
};
// We need the next batch to be set for the client to know that it can const result = client._processRoomEventsSearch(emptyResult, response);
// paginate further.
if (serverSideResult.next_batch) {
result.next_batch = serverSideResult.next_batch;
} else {
result.next_batch = localResult.next_batch;
}
return result; return result;
} }
async function localSearch(searchTerm, roomId = undefined) { async function localSearch(searchTerm, roomId = undefined, processResult = true) {
const searchArgs = { const searchArgs = {
search_term: searchTerm, search_term: searchTerm,
before_limit: 1, before_limit: 1,
@ -110,6 +141,8 @@ async function localSearch(searchTerm, roomId = undefined) {
const eventIndex = EventIndexPeg.get(); const eventIndex = EventIndexPeg.get();
const localResult = await eventIndex.search(searchArgs); const localResult = await eventIndex.search(searchArgs);
if (processResult) {
emptyResult.seshatQuery.next_batch = localResult.next_batch; emptyResult.seshatQuery.next_batch = localResult.next_batch;
const response = { const response = {
@ -121,6 +154,16 @@ async function localSearch(searchTerm, roomId = undefined) {
return MatrixClientPeg.get()._processRoomEventsSearch(emptyResult, response); return MatrixClientPeg.get()._processRoomEventsSearch(emptyResult, response);
} }
searchArgs.next_batch = localResult.next_batch;
const result = {
response: localResult,
query: searchArgs,
}
return result;
}
async function localPagination(searchResult) { async function localPagination(searchResult) {
const eventIndex = EventIndexPeg.get(); const eventIndex = EventIndexPeg.get();
@ -144,57 +187,46 @@ async function localPagination(searchResult) {
/** /**
* Combine the local and server search results * Combine the local and server search results
*/ */
function combineResults(previousSearchResult, localResult = undefined, serverSideResult = undefined) { function combineResponses(previousSearchResult, localEvents = undefined, serverEvents = undefined) {
// // cachedResults = previousSearchResult.cachedResults; const response = {};
// if (localResult) {
// previousSearchResult.seshatQuery.next_batch = localResult.next_batch;
// }
const compare = (a, b) => {
const aEvent = a.result;
const bEvent = b.result;
if (aEvent.origin_server_ts > if (previousSearchResult.count) {
bEvent.origin_server_ts) return -1; response.count = previousSearchResult.count;
if (aEvent.origin_server_ts <
bEvent.origin_server_ts) return 1;
return 0;
};
const result = {};
result.count = previousSearchResult.count;
if (localResult && serverSideResult) {
result.results = localResult.results.concat(serverSideResult.results).sort(compare);
result.highlights = localResult.highlights.concat(serverSideResult.highlights);
} else if (localResult) {
result.results = localResult.results;
result.highlights = localResult.highlights;
} else { } else {
result.results = serverSideResult.results; response.count = localEvents.count + serverEvents.count;
result.highlights = serverSideResult.highlights;
} }
if (localResult) { if (localEvents && serverEvents) {
previousSearchResult.seshatQuery.next_batch = localResult.next_batch; response.results = localEvents.results.concat(serverEvents.results).sort(compareEvents);
result.next_batch = localResult.next_batch; response.highlights = localEvents.highlights.concat(serverEvents.highlights);
} else if (localEvents) {
response.results = localEvents.results;
response.highlights = localEvents.highlights;
} else {
response.results = serverEvents.results;
response.highlights = serverEvents.highlights;
} }
if (serverSideResult && serverSideResult.next_batch) { if (localEvents) {
previousSearchResult.serverSideNextBatch = serverSideResult.next_batch; previousSearchResult.seshatQuery.next_batch = localEvents.next_batch;
result.next_batch = serverSideResult.next_batch; response.next_batch = localEvents.next_batch;
} }
console.log("HELLOO COMBINING RESULTS", localResult, serverSideResult, result); if (serverEvents && serverEvents.next_batch) {
previousSearchResult.serverSideNextBatch = serverEvents.next_batch;
response.next_batch = serverEvents.next_batch;
}
return result console.log("HELLOO COMBINING RESULTS", localEvents, serverEvents, response);
return response
} }
async function combinedPagination(searchResult) { async function combinedPagination(searchResult) {
const eventIndex = EventIndexPeg.get(); const eventIndex = EventIndexPeg.get();
const client = MatrixClientPeg.get(); const client = MatrixClientPeg.get();
console.log("HELLOOO WORLD"); console.log("HELLOOO WORLD", searchResult.oldestEventFrom);
const searchArgs = searchResult.seshatQuery; const searchArgs = searchResult.seshatQuery;
@ -210,7 +242,7 @@ async function combinedPagination(searchResult) {
serverSideResult = await client.search(body); serverSideResult = await client.search(body);
} }
const combinedResult = combineResults(searchResult, localResult, serverSideResult.search_categories.room_events); const combinedResult = combineResponses(searchResult, localResult, serverSideResult.search_categories.room_events);
const response = { const response = {
search_categories: { search_categories: {