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Simplify logic

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G.Ambatte
2024-09-14 16:50:36 +12:00
parent b6bbed0e1b
commit c77d6e5fae
1 changed files with 63 additions and 72 deletions
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135
client/homebrew/utils/versionHistory.js
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@@ -1,4 +1,4 @@
export const HISTORY_PREFIX = 'HOMEBREWERY-HISTORY'
export const HISTORY_PREFIX = 'HOMEBREWERY-HISTORY';
// const HISTORY_SAVE_DELAYS = {
// 0: 0, // 0 minutes (if not specified)
// 1: 2, // 2 minutes
@@ -7,7 +7,7 @@ export const HISTORY_PREFIX = 'HOMEBREWERY-HISTORY'
// 4: 12 * 60, // 12 hours
// 5: 2 * 24 * 60 // 2 days
// };
//
//
// const GARBAGE_COLLECT_DELAY = 28 * 24 * 60; // 28 days
@@ -15,12 +15,12 @@ export const HISTORY_PREFIX = 'HOMEBREWERY-HISTORY'
// Test values
const HISTORY_SAVE_DELAYS = {
0: 0, // 0 minutes (if not specified)
1: 1, // 1 minutes
2: 2, // 2 minutes
3: 3, // 3 minutes
4: 4, // 4 minutes
5: 5 // 5 minutes
0 : 0, // 0 minutes (if not specified)
1 : 1, // 1 minutes
2 : 2, // 2 minutes
3 : 3, // 3 minutes
4 : 4, // 4 minutes
5 : 5 // 5 minutes
};
const GARBAGE_COLLECT_DELAY = 10; // 10 minutes
@@ -29,92 +29,83 @@ const GARBAGE_COLLECT_DELAY = 10; // 10 minutes
const DEFAULT_STORED_BREW = {
shareId : 'default_brew',
expireAt : '2000-01-01T00:00:00.000Z'
shareId : 'default_brew',
expireAt : '2000-01-01T00:00:00.000Z'
};
function getKeyBySlot(brew, slot){
return `${HISTORY_PREFIX}-${brew.shareId}-${slot}`;
return `${HISTORY_PREFIX}-${brew.shareId}-${slot}`;
};
function getVersionBySlot(brew, slot){
// Read stored brew data
// - If it exists, parse data to object
// - If it doesn't exist, pass default object
const key = getKeyBySlot(brew, slot);
const storedVersion = localStorage.getItem(key);
const output = storedVersion ? JSON.parse(storedVersion) : { ...DEFAULT_STORED_BREW, ...brew };
return output;
// Read stored brew data
// - If it exists, parse data to object
// - If it doesn't exist, pass default object
const key = getKeyBySlot(brew, slot);
const storedVersion = localStorage.getItem(key);
const output = storedVersion ? JSON.parse(storedVersion) : { ...DEFAULT_STORED_BREW, ...brew };
return output;
};
function updateStoredBrew(brew, slot=0){
const archiveBrew = {};
const archiveBrew = {};
// Data from brew to be stored
archiveBrew.title = brew.title;
archiveBrew.text = brew.text;
archiveBrew.style = brew.style;
archiveBrew.version = brew.version;
archiveBrew.shareId = brew.shareId;
// Data from brew to be stored
archiveBrew.title = brew.title;
archiveBrew.text = brew.text;
archiveBrew.style = brew.style;
archiveBrew.version = brew.version;
archiveBrew.shareId = brew.shareId;
// Calculated values
archiveBrew.savedAt = new Date();
archiveBrew.expireAt = new Date();
archiveBrew.expireAt.setMinutes(archiveBrew.expireAt.getMinutes() + HISTORY_SAVE_DELAYS[slot]);
// Store data
const key = getKeyBySlot(brew, slot);
localStorage.setItem(key, JSON.stringify(archiveBrew));
return;
// Calculated values
archiveBrew.savedAt = brew?.savedAt || new Date();
archiveBrew.expireAt = new Date();
archiveBrew.expireAt.setMinutes(archiveBrew.expireAt.getMinutes() + HISTORY_SAVE_DELAYS[slot]);
// Store data
const key = getKeyBySlot(brew, slot);
localStorage.setItem(key, JSON.stringify(archiveBrew));
return;
};
export function updateHistory(brew) {
const numbers = [1,2,3,4,5];
const history = {};
const history = {};
// Load data from local storage to History object
numbers.forEach((i)=>{
history[i] = getVersionBySlot(brew, i);
});
// Load data from local storage to History object
for (let i = 1; i<=5; i++){
history[i] = getVersionBySlot(brew, i);
};
// Walk each version position
numbers.toReversed().every((slot)=>{
const storedVersion = history[slot];
// Walk each version position
for (let slot = 5; slot>0; slot--){
const storedVersion = history[slot];
// If slot has expired, update all lower slots and break
if(new Date() >= new Date(storedVersion.expireAt)){
const slots = Array.from(Array(slot - 1).keys());
slots.toReversed().every((slot)=>{
const actualSlot = slot + 1;
// Move data from actualSlot to actualSlot + 1
updateStoredBrew({ ...history[actualSlot], shareId: brew.shareId }, actualSlot + 1);
// If first slot, fill with current data
if(actualSlot == 1) {
updateStoredBrew(brew, 1);
// Break after updating first slot
return false;
}
// Continue loop to move data in remaining slots
return true;
});
// Break out of data checks because we found an expired value
return false;
}
// Continue data checks because this one wasn't expired
return true;
});
// If slot has expired, update all lower slots and break
if(new Date() >= new Date(storedVersion.expireAt)){
for (let updateSlot = slot - 1; updateSlot>0; updateSlot--){
// Move data from updateSlot to updateSlot + 1
updateStoredBrew({ ...history[updateSlot], shareId: brew.shareId }, updateSlot + 1);
};
// Update the most recent brew
updateStoredBrew(brew, 1);
// Break out of data checks because we found an expired value
break;
}
};
};
export function versionHistoryGarbageCollection(){
Object.keys(localStorage)
Object.keys(localStorage)
.filter((key)=>{
return key.startsWith(HISTORY_PREFIX);
return key.startsWith(HISTORY_PREFIX);
})
.forEach((key)=>{
const collectAt = new Date(JSON.parse(localStorage.getItem(key)).expireAt);
collectAt.setMinutes(collectAt.getMinutes() + GARBAGE_COLLECT_DELAY);
if(new Date() > collectAt){
localStorage.removeItem(key);
}
const collectAt = new Date(JSON.parse(localStorage.getItem(key)).expireAt);
collectAt.setMinutes(collectAt.getMinutes() + GARBAGE_COLLECT_DELAY);
if(new Date() > collectAt){
localStorage.removeItem(key);
}
});
};