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Update misc documentation and spell indices correctly

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This commit is contained in:
Travis Ralston 2020-05-14 13:01:51 -06:00
parent f8cbadaba5
commit aafbd7f208
4 changed files with 27 additions and 30 deletions
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2
src/stores/RoomListStore.js
View file

@ -121,7 +121,7 @@ class RoomListStore extends Store {
_checkDisabled() {
this.disabled = SettingsStore.isFeatureEnabled("feature_new_room_list");
if (this.disabled) {
console.warn("DISABLING LEGACY ROOM LIST STORE");
console.warn("👋 legacy room list store has been disabled");
}
}

4
src/stores/room-list/RoomListStore2.ts
View file

@ -67,7 +67,7 @@ class _RoomListStore extends AsyncStore<ActionPayload> {
private checkEnabled() {
this.enabled = SettingsStore.isFeatureEnabled("feature_new_room_list");
if (this.enabled) {
console.log("ENABLING NEW ROOM LIST STORE");
console.log("⚡ new room list store engaged");
}
}
@ -225,7 +225,7 @@ class _RoomListStore extends AsyncStore<ActionPayload> {
}
if (this.state.tagsEnabled) {
// TODO: Find a more reliable way to get tags
// TODO: Find a more reliable way to get tags (this doesn't work)
const roomTags = TagOrderStore.getOrderedTags() || [];
console.log("rtags", roomTags);
}

49
src/stores/room-list/algorithms/list_ordering/ImportanceAlgorithm.ts
View file

@ -79,7 +79,6 @@ const CATEGORY_ORDER = [Category.Red, Category.Grey, Category.Bold, Category.Idl
*/
export class ImportanceAlgorithm extends Algorithm {
// TODO: Update documentation
// HOW THIS WORKS
// --------------
//
@ -93,19 +92,17 @@ export class ImportanceAlgorithm extends Algorithm {
// can be found from `this.indices[tag][category]` and the sticky room information
// from `this.stickyRoom`.
//
// Room categories are constantly re-evaluated and tracked in the `this.categorized`
// object. Note that this doesn't track rooms by category but instead by room ID.
// The theory is that by knowing the previous position, new desired position, and
// category indices we can avoid tracking multiple complicated maps in memory.
//
// The room list store is always provided with the `this.cached` results, which are
// updated as needed and not recalculated often. For example, when a room needs to
// move within a tag, the array in `this.cached` will be spliced instead of iterated.
// The `indices` help track the positions of each category to make splicing easier.
private indices: {
// @ts-ignore - TS wants this to be a string but we know better than it
[tag: TagID]: ICategoryIndex;
} = {};
// TODO: Use this (see docs above)
private stickyRoom: {
roomId: string;
tag: TagID;
@ -178,14 +175,14 @@ export class ImportanceAlgorithm extends Algorithm {
}
const newlyOrganized: Room[] = [];
const newIndicies: ICategoryIndex = {};
const newIndices: ICategoryIndex = {};
for (const category of CATEGORY_ORDER) {
newIndicies[category] = newlyOrganized.length;
newIndices[category] = newlyOrganized.length;
newlyOrganized.push(...categorized[category]);
}
this.indices[tagId] = newIndicies;
this.indices[tagId] = newIndices;
updatedTagMap[tagId] = newlyOrganized;
}
}
@ -205,7 +202,7 @@ export class ImportanceAlgorithm extends Algorithm {
}
const taggedRooms = this.cached[tag];
const indicies = this.indices[tag];
const indices = this.indices[tag];
let roomIdx = taggedRooms.indexOf(room);
if (roomIdx === -1) {
console.warn(`Degrading performance to find missing room in "${tag}": ${room.roomId}`);
@ -217,16 +214,16 @@ export class ImportanceAlgorithm extends Algorithm {
// Try to avoid doing array operations if we don't have to: only move rooms within
// the categories if we're jumping categories
const oldCategory = this.getCategoryFromIndicies(roomIdx, indicies);
const oldCategory = this.getCategoryFromIndices(roomIdx, indices);
if (oldCategory !== category) {
// Move the room and update the indicies
this.moveRoomIndexes(1, oldCategory, category, indicies);
// Move the room and update the indices
this.moveRoomIndexes(1, oldCategory, category, indices);
taggedRooms.splice(roomIdx, 1); // splice out the old index (fixed position)
taggedRooms.splice(indicies[category], 0, room); // splice in the new room (pre-adjusted)
taggedRooms.splice(indices[category], 0, room); // splice in the new room (pre-adjusted)
// Note: if moveRoomIndexes() is called after the splice then the insert operation
// will happen in the wrong place. Because we would have already adjusted the index
// for the category, we don't need to determine how the room is moving in the list.
// If we instead tried to insert before updating the indicies, we'd have to determine
// If we instead tried to insert before updating the indices, we'd have to determine
// whether the room was moving later (towards IDLE) or earlier (towards RED) from its
// current position, as it'll affect the category's start index after we remove the
// room from the array.
@ -240,8 +237,8 @@ export class ImportanceAlgorithm extends Algorithm {
// array and slot the changed room in quickly.
const nextCategoryStartIdx = category === CATEGORY_ORDER[CATEGORY_ORDER.length - 1]
? Number.MAX_SAFE_INTEGER
: indicies[CATEGORY_ORDER[CATEGORY_ORDER.indexOf(category) + 1]];
const startIdx = indicies[category];
: indices[CATEGORY_ORDER[CATEGORY_ORDER.indexOf(category) + 1]];
const startIdx = indices[category];
const numSort = nextCategoryStartIdx - startIdx; // splice() returns up to the max, so MAX_SAFE_INT is fine
const unsortedSlice = taggedRooms.splice(startIdx, numSort);
const sorted = await sortRoomsWithAlgorithm(unsortedSlice, tag, this.sortAlgorithms[tag]);
@ -253,12 +250,12 @@ export class ImportanceAlgorithm extends Algorithm {
return changed;
}
private getCategoryFromIndicies(index: number, indicies: ICategoryIndex): Category {
private getCategoryFromIndices(index: number, indices: ICategoryIndex): Category {
for (let i = 0; i < CATEGORY_ORDER.length; i++) {
const category = CATEGORY_ORDER[i];
const isLast = i === (CATEGORY_ORDER.length - 1);
const startIdx = indicies[category];
const endIdx = isLast ? Number.MAX_SAFE_INTEGER : indicies[CATEGORY_ORDER[i + 1]];
const startIdx = indices[category];
const endIdx = isLast ? Number.MAX_SAFE_INTEGER : indices[CATEGORY_ORDER[i + 1]];
if (index >= startIdx && index < endIdx) {
return category;
}
@ -268,21 +265,21 @@ export class ImportanceAlgorithm extends Algorithm {
throw new Error("Programming error: somehow you've ended up with an index that isn't in a category");
}
private moveRoomIndexes(nRooms: number, fromCategory: Category, toCategory: Category, indicies: ICategoryIndex) {
private moveRoomIndexes(nRooms: number, fromCategory: Category, toCategory: Category, indices: ICategoryIndex) {
// We have to update the index of the category *after* the from/toCategory variables
// in order to update the indicies correctly. Because the room is moving from/to those
// in order to update the indices correctly. Because the room is moving from/to those
// categories, the next category's index will change - not the category we're modifying.
// We also need to update subsequent categories as they'll all shift by nRooms, so we
// loop over the order to achieve that.
for (let i = CATEGORY_ORDER.indexOf(fromCategory) + 1; i < CATEGORY_ORDER.length; i++) {
const nextCategory = CATEGORY_ORDER[i];
indicies[nextCategory] -= nRooms;
indices[nextCategory] -= nRooms;
}
for (let i = CATEGORY_ORDER.indexOf(toCategory) + 1; i < CATEGORY_ORDER.length; i++) {
const nextCategory = CATEGORY_ORDER[i];
indicies[nextCategory] += nRooms;
indices[nextCategory] += nRooms;
}
// Do a quick check to see if we've completely broken the index
@ -290,9 +287,9 @@ export class ImportanceAlgorithm extends Algorithm {
const lastCat = CATEGORY_ORDER[i - 1];
const thisCat = CATEGORY_ORDER[i];
if (indicies[lastCat] > indicies[thisCat]) {
if (indices[lastCat] > indices[thisCat]) {
// "should never happen" disclaimer goes here
console.warn(`!! Room list index corruption: ${lastCat} (i:${indicies[lastCat]}) is greater than ${thisCat} (i:${indicies[thisCat]}) - category indicies are likely desynced from reality`);
console.warn(`!! Room list index corruption: ${lastCat} (i:${indices[lastCat]}) is greater than ${thisCat} (i:${indices[thisCat]}) - category indices are likely desynced from reality`);
// TODO: Regenerate index when this happens
}

2
src/stores/room-list/models.ts
View file

@ -38,5 +38,5 @@ export type TagID = string | DefaultTagID;
export enum RoomUpdateCause {
Timeline = "TIMELINE",
RoomRead = "ROOM_READ",
RoomRead = "ROOM_READ", // TODO: Use this.
}