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More refactoring

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This commit is contained in:
Pieter Vander Vennet 2021-09-29 01:12:38 +02:00
parent 6890c5189e
commit c2d477c97a
12 changed files with 91 additions and 73 deletions
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64
Logic/FeatureSource/FeaturePipeline.ts
View file

@ -62,11 +62,35 @@ export default class FeaturePipeline {
/**
* Maps tileid onto last download moment
*/
const tileFreshnesses = new Map<number, Date>()
const tileFreshnesses = new UIEventSource<Map<number, Date>>(new Map<number, Date>())
const osmSourceZoomLevel = 14
const useOsmApi = state.locationControl.map(l => l.zoom > (state.overpassMaxZoom.data ?? 12))
this.relationTracker = new RelationsTracker()
console.log("Tilefreshnesses are", tileFreshnesses.data)
const oldestAllowedDate = new Date(new Date().getTime() - (60 * 60 * 24 * 30 * 1000));
const neededTilesFromOsm = state.currentBounds.map(bbox => {
if (bbox === undefined) {
return
}
const range = bbox.containingTileRange(osmSourceZoomLevel)
const tileIndexes = []
if (range.total > 100) {
// Too much tiles!
return []
}
Tiles.MapRange(range, (x, y) => {
const i = Tiles.tile_index(osmSourceZoomLevel, x, y);
if (tileFreshnesses.data.get(i) > oldestAllowedDate) {
console.debug("Skipping tile", osmSourceZoomLevel, x, y, "as a decently fresh one is available")
// The cached tiles contain decently fresh data
return;
}
tileIndexes.push(i)
})
return tileIndexes
}, [tileFreshnesses])
const updater = new OverpassFeatureSource(state,
{
relationTracker: this.relationTracker,
@ -75,8 +99,9 @@ export default class FeaturePipeline {
// This callback contains metadata of the overpass call
const range = bbox.containingTileRange(osmSourceZoomLevel)
Tiles.MapRange(range, (x, y) => {
tileFreshnesses.set(Tiles.tile_index(osmSourceZoomLevel, x, y), freshness)
tileFreshnesses.data.set(Tiles.tile_index(osmSourceZoomLevel, x, y), freshness)
})
tileFreshnesses.ping();
}
});
@ -137,17 +162,17 @@ export default class FeaturePipeline {
}, state)
localStorage.tileFreshness.forEach((value, key) => {
if (tileFreshnesses.has(key)) {
const previous = tileFreshnesses.get(key)
if (tileFreshnesses.data.has(key)) {
const previous = tileFreshnesses.data.get(key)
if (value < previous) {
tileFreshnesses.set(key, value)
tileFreshnesses.data.set(key, value)
}
} else {
tileFreshnesses.set(key, value)
tileFreshnesses.data.set(key, value)
}
tileFreshnesses.ping()
})
continue
}
@ -178,30 +203,7 @@ export default class FeaturePipeline {
}
}
console.log("Tilefreshnesses are", tileFreshnesses)
const oldestAllowedDate = new Date(new Date().getTime() - (60 * 60 * 24 * 30 * 1000));
const neededTilesFromOsm = state.currentBounds.map(bbox => {
if (bbox === undefined) {
return
}
const range = bbox.containingTileRange(osmSourceZoomLevel)
const tileIndexes = []
if (range.total > 100) {
// Too much tiles!
return []
}
Tiles.MapRange(range, (x, y) => {
const i = Tiles.tile_index(osmSourceZoomLevel, x, y);
if (tileFreshnesses.get(i) > oldestAllowedDate) {
console.debug("Skipping tile", osmSourceZoomLevel, x, y, "as a decently fresh one is available")
// The cached tiles contain decently fresh data
return;
}
tileIndexes.push(i)
})
return tileIndexes
})
const osmFeatureSource = new OsmFeatureSource({
isActive: useOsmApi,

20
Logic/FeatureSource/Sources/FilteringFeatureSource.ts
View file

@ -28,8 +28,9 @@ export default class FilteringFeatureSource implements FeatureSourceForLayer, Ti
this.layer = upstream.layer;
const layer = upstream.layer;
function update() {
const features: { feature: any; freshness: Date }[] = upstream.features.data;
const newFeatures = features.filter((f) => {
if (
@ -60,11 +61,6 @@ export default class FilteringFeatureSource implements FeatureSourceForLayer, Ti
}
if (!layer.isDisplayed) {
// The layer itself is either disabled or hidden due to zoom constraints
// We should return true, but it might still match some other layer
return false;
}
return true;
});
@ -75,20 +71,8 @@ export default class FilteringFeatureSource implements FeatureSourceForLayer, Ti
update();
});
layer.isDisplayed.addCallback(isShown => {
if (isShown) {
update();
} else {
self.features.setData([])
}
});
layer.appliedFilters.addCallback(_ => {
if (!layer.isDisplayed.data) {
// Currently not shown.
// Note that a change in 'isSHown' will trigger an update as well, so we don't have to watch it another time
return;
}
update()
})