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fix patch limits

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This commit is contained in:
vcoppe
2024-05-07 15:09:44 +02:00
parent 2379cb2860
commit 0118ebe55a
1 changed files with 13 additions and 13 deletions
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26
website/src/lib/db.ts
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@@ -175,19 +175,15 @@ liveQuery(() => db.fileids.toArray()).subscribe(dbFileIds => {
});
const patchIndex: Readable<number> = dexieStore(() => db.settings.get('patchIndex'), -1);
const patchMinMaxIndex: Readable<{ min: number, max: number }> = dexieStore(() => {
let ordered = db.patches.orderBy(':id');
return Promise.all([ordered.first(), ordered.last()]).then(([first, last]) => {
return {
min: first?.index ?? 0,
max: (last?.index ?? -1) + 1
};
});
}, { min: 0, max: 0 });
const patchMinMaxIndex: Readable<{ min: number, max: number }> = dexieStore(() => db.patches.orderBy(':id').keys().then(keys => {
if (keys.length === 0) {
return { min: 0, max: 0 };
} else {
return { min: keys[0], max: keys[keys.length - 1] + 1 };
}
}), { min: 0, max: 0 });
export const canUndo: Readable<boolean> = derived([patchIndex, patchMinMaxIndex], ([$patchIndex, $patchMinMaxIndex]) => $patchIndex >= $patchMinMaxIndex.min);
export const canRedo: Readable<boolean> = derived([patchIndex, patchMinMaxIndex], ([$patchIndex, $patchMinMaxIndex]) => {
return $patchIndex < $patchMinMaxIndex.max - 1;
});
export const canRedo: Readable<boolean> = derived([patchIndex, patchMinMaxIndex], ([$patchIndex, $patchMinMaxIndex]) => $patchIndex < $patchMinMaxIndex.max - 1);
// Helper function to apply a callback to the global file state
function applyGlobal(callback: (files: Map<string, GPXFile>) => void) {
@@ -214,11 +210,15 @@ function applyToFiles(fileIds: string[], callback: (file: GPXFile) => void) {
return commitFileStateChange(newFileState, patch);
}
const MAX_PATCHES = 100;
// Store the new patches in the database
async function storePatches(patch: Patch[], inversePatch: Patch[]) {
if (get(patchIndex) !== undefined) {
db.patches.where(':id').above(get(patchIndex)).delete(); // Delete all patches after the current patch to avoid redoing them
db.patches.where(':id').below(get(patchMinMaxIndex).max - 50).delete(); // Keep only the last 50 patches
let minmax = get(patchMinMaxIndex);
if (minmax.max - minmax.min + 1 > MAX_PATCHES) {
db.patches.where(':id').belowOrEqual(get(patchMinMaxIndex).max - MAX_PATCHES).delete();
}
}
db.transaction('rw', db.patches, db.settings, async () => {
let index = get(patchIndex) + 1;