Update misc documentation and spell indices correctly

pull/21833/head
Travis Ralston 2020-05-14 13:01:51 -06:00
parent f8cbadaba5
commit aafbd7f208
4 changed files with 27 additions and 30 deletions

View File

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

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@ -67,7 +67,7 @@ class _RoomListStore extends AsyncStore<ActionPayload> {
private checkEnabled() { private checkEnabled() {
this.enabled = SettingsStore.isFeatureEnabled("feature_new_room_list"); this.enabled = SettingsStore.isFeatureEnabled("feature_new_room_list");
if (this.enabled) { 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) { 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() || []; const roomTags = TagOrderStore.getOrderedTags() || [];
console.log("rtags", roomTags); console.log("rtags", roomTags);
} }

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@ -79,7 +79,6 @@ const CATEGORY_ORDER = [Category.Red, Category.Grey, Category.Bold, Category.Idl
*/ */
export class ImportanceAlgorithm extends Algorithm { export class ImportanceAlgorithm extends Algorithm {
// TODO: Update documentation
// HOW THIS WORKS // 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 // can be found from `this.indices[tag][category]` and the sticky room information
// from `this.stickyRoom`. // 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 // 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 // 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. // 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: { private indices: {
// @ts-ignore - TS wants this to be a string but we know better than it // @ts-ignore - TS wants this to be a string but we know better than it
[tag: TagID]: ICategoryIndex; [tag: TagID]: ICategoryIndex;
} = {}; } = {};
// TODO: Use this (see docs above)
private stickyRoom: { private stickyRoom: {
roomId: string; roomId: string;
tag: TagID; tag: TagID;
@ -178,14 +175,14 @@ export class ImportanceAlgorithm extends Algorithm {
} }
const newlyOrganized: Room[] = []; const newlyOrganized: Room[] = [];
const newIndicies: ICategoryIndex = {}; const newIndices: ICategoryIndex = {};
for (const category of CATEGORY_ORDER) { for (const category of CATEGORY_ORDER) {
newIndicies[category] = newlyOrganized.length; newIndices[category] = newlyOrganized.length;
newlyOrganized.push(...categorized[category]); newlyOrganized.push(...categorized[category]);
} }
this.indices[tagId] = newIndicies; this.indices[tagId] = newIndices;
updatedTagMap[tagId] = newlyOrganized; updatedTagMap[tagId] = newlyOrganized;
} }
} }
@ -205,7 +202,7 @@ export class ImportanceAlgorithm extends Algorithm {
} }
const taggedRooms = this.cached[tag]; const taggedRooms = this.cached[tag];
const indicies = this.indices[tag]; const indices = this.indices[tag];
let roomIdx = taggedRooms.indexOf(room); let roomIdx = taggedRooms.indexOf(room);
if (roomIdx === -1) { if (roomIdx === -1) {
console.warn(`Degrading performance to find missing room in "${tag}": ${room.roomId}`); console.warn(`Degrading performance to find missing room in "${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 // Try to avoid doing array operations if we don't have to: only move rooms within
// the categories if we're jumping categories // the categories if we're jumping categories
const oldCategory = this.getCategoryFromIndicies(roomIdx, indicies); const oldCategory = this.getCategoryFromIndices(roomIdx, indices);
if (oldCategory !== category) { if (oldCategory !== category) {
// Move the room and update the indicies // Move the room and update the indices
this.moveRoomIndexes(1, oldCategory, category, indicies); this.moveRoomIndexes(1, oldCategory, category, indices);
taggedRooms.splice(roomIdx, 1); // splice out the old index (fixed position) 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 // 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 // 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. // 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 // 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 // current position, as it'll affect the category's start index after we remove the
// room from the array. // room from the array.
@ -240,8 +237,8 @@ export class ImportanceAlgorithm extends Algorithm {
// array and slot the changed room in quickly. // array and slot the changed room in quickly.
const nextCategoryStartIdx = category === CATEGORY_ORDER[CATEGORY_ORDER.length - 1] const nextCategoryStartIdx = category === CATEGORY_ORDER[CATEGORY_ORDER.length - 1]
? Number.MAX_SAFE_INTEGER ? Number.MAX_SAFE_INTEGER
: indicies[CATEGORY_ORDER[CATEGORY_ORDER.indexOf(category) + 1]]; : indices[CATEGORY_ORDER[CATEGORY_ORDER.indexOf(category) + 1]];
const startIdx = indicies[category]; const startIdx = indices[category];
const numSort = nextCategoryStartIdx - startIdx; // splice() returns up to the max, so MAX_SAFE_INT is fine const numSort = nextCategoryStartIdx - startIdx; // splice() returns up to the max, so MAX_SAFE_INT is fine
const unsortedSlice = taggedRooms.splice(startIdx, numSort); const unsortedSlice = taggedRooms.splice(startIdx, numSort);
const sorted = await sortRoomsWithAlgorithm(unsortedSlice, tag, this.sortAlgorithms[tag]); const sorted = await sortRoomsWithAlgorithm(unsortedSlice, tag, this.sortAlgorithms[tag]);
@ -253,12 +250,12 @@ export class ImportanceAlgorithm extends Algorithm {
return changed; 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++) { for (let i = 0; i < CATEGORY_ORDER.length; i++) {
const category = CATEGORY_ORDER[i]; const category = CATEGORY_ORDER[i];
const isLast = i === (CATEGORY_ORDER.length - 1); const isLast = i === (CATEGORY_ORDER.length - 1);
const startIdx = indicies[category]; const startIdx = indices[category];
const endIdx = isLast ? Number.MAX_SAFE_INTEGER : indicies[CATEGORY_ORDER[i + 1]]; const endIdx = isLast ? Number.MAX_SAFE_INTEGER : indices[CATEGORY_ORDER[i + 1]];
if (index >= startIdx && index < endIdx) { if (index >= startIdx && index < endIdx) {
return category; 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"); 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 // 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. // 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 // We also need to update subsequent categories as they'll all shift by nRooms, so we
// loop over the order to achieve that. // loop over the order to achieve that.
for (let i = CATEGORY_ORDER.indexOf(fromCategory) + 1; i < CATEGORY_ORDER.length; i++) { for (let i = CATEGORY_ORDER.indexOf(fromCategory) + 1; i < CATEGORY_ORDER.length; i++) {
const nextCategory = CATEGORY_ORDER[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++) { for (let i = CATEGORY_ORDER.indexOf(toCategory) + 1; i < CATEGORY_ORDER.length; i++) {
const nextCategory = CATEGORY_ORDER[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 // 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 lastCat = CATEGORY_ORDER[i - 1];
const thisCat = CATEGORY_ORDER[i]; const thisCat = CATEGORY_ORDER[i];
if (indicies[lastCat] > indicies[thisCat]) { if (indices[lastCat] > indices[thisCat]) {
// "should never happen" disclaimer goes here // "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 // TODO: Regenerate index when this happens
} }

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