fixed filtering

This commit is contained in:
Michael Freno
2025-12-23 10:12:36 -05:00
parent 2ebd7840b7
commit ee1de16c9e
4 changed files with 150 additions and 174 deletions

View File

@@ -16,59 +16,38 @@ export interface PostSortingProps {
}
export default function PostSorting(props: PostSortingProps) {
// Build set of tags that are ALLOWED
const allowedTags = createMemo(() => {
// WHITELIST MODE: If 'include' param is present, only show posts with those tags
if (props.include) {
const includeList = props.include.split("|").filter(Boolean);
return new Set(includeList);
}
// BLACKLIST MODE: Filter out tags in 'filter' param
const filterList = props.filters?.split("|").filter(Boolean) || [];
// If no filters set, all tags are allowed
if (filterList.length === 0) {
return new Set(props.tags.map((t) => t.value.slice(1)));
}
// Build set of tags that are checked (allowed to show)
const allTags = new Set(props.tags.map((t) => t.value.slice(1)));
const filteredOutTags = new Set(filterList);
const allowed = new Set<string>();
allTags.forEach((tag) => {
if (!filteredOutTags.has(tag)) {
allowed.add(tag);
const filteredPosts = createMemo(() => {
// Build map of post_id -> tags for that post
const postTags = new Map<number, Set<string>>();
props.tags.forEach((tag) => {
if (!postTags.has(tag.post_id)) {
postTags.set(tag.post_id, new Set());
}
// Tag values in DB have # prefix, remove it for comparison
const tagWithoutHash = tag.value.startsWith("#")
? tag.value.slice(1)
: tag.value;
postTags.get(tag.post_id)!.add(tagWithoutHash);
});
return allowed;
});
// WHITELIST MODE: Only show posts that have at least one of the included tags
if (props.include !== undefined) {
const includeList = props.include.split("|").filter(Boolean);
// Get posts that have at least one allowed tag
const filteredPosts = createMemo(() => {
const allowed = allowedTags();
// Empty whitelist means show nothing
if (includeList.length === 0) {
return [];
}
// In whitelist mode, only show posts with allowed tags
if (props.include) {
// Build map of post_id -> tags for that post
const postTags = new Map<number, Set<string>>();
props.tags.forEach((tag) => {
if (!postTags.has(tag.post_id)) {
postTags.set(tag.post_id, new Set());
}
postTags.get(tag.post_id)!.add(tag.value.slice(1));
});
const includeSet = new Set(includeList);
// Keep posts that have at least one allowed tag
return props.posts.filter((post) => {
const tags = postTags.get(post.id);
if (!tags) return false; // Post has no tags
if (!tags || tags.size === 0) return false;
// Check if post has at least one allowed tag
// Post must have at least one tag from the include list
for (const tag of tags) {
if (allowed.has(tag)) {
if (includeSet.has(tag)) {
return true;
}
}
@@ -76,38 +55,33 @@ export default function PostSorting(props: PostSortingProps) {
});
}
// In blacklist mode, show all posts if all tags are allowed
if (
allowed.size ===
props.tags
.map((t) => t.value.slice(1))
.filter((v, i, a) => a.indexOf(v) === i).length
) {
return props.posts;
// BLACKLIST MODE: Hide posts that have ANY of the filtered tags
if (props.filters !== undefined) {
const filterList = props.filters.split("|").filter(Boolean);
// Empty blacklist means show everything
if (filterList.length === 0) {
return props.posts;
}
const filterSet = new Set(filterList);
return props.posts.filter((post) => {
const tags = postTags.get(post.id);
if (!tags || tags.size === 0) return true; // Show posts with no tags
// Post must NOT have any blacklisted tags
for (const tag of tags) {
if (filterSet.has(tag)) {
return false; // Hide this post
}
}
return true; // Show this post
});
}
// Build map of post_id -> tags for that post
const postTags = new Map<number, Set<string>>();
props.tags.forEach((tag) => {
if (!postTags.has(tag.post_id)) {
postTags.set(tag.post_id, new Set());
}
postTags.get(tag.post_id)!.add(tag.value.slice(1));
});
// Keep posts that have at least one allowed tag
return props.posts.filter((post) => {
const tags = postTags.get(post.id);
if (!tags) return false; // Post has no tags
// Check if post has at least one allowed tag
for (const tag of tags) {
if (allowed.has(tag)) {
return true;
}
}
return false;
});
// No filters: show all posts
return props.posts;
});
const sortedPosts = createMemo(() => {

View File

@@ -1,4 +1,4 @@
import { createSignal, createEffect, For, Show } from "solid-js";
import { createSignal, For, Show } from "solid-js";
import { useNavigate, useLocation, useSearchParams } from "@solidjs/router";
import Check from "~/components/icons/Check";
import UpDownArrows from "~/components/icons/UpDownArrows";
@@ -14,29 +14,25 @@ const sorting = [
export interface PostSortingSelectProps {}
export default function PostSortingSelect(props: PostSortingSelectProps) {
const [selected, setSelected] = createSignal(sorting[0]);
const [isOpen, setIsOpen] = createSignal(false);
const navigate = useNavigate();
const location = useLocation();
const [searchParams] = useSearchParams();
const currentFilters = () => searchParams.filter || null;
const currentInclude = () => searchParams.include || null;
createEffect(() => {
let newRoute = location.pathname + "?sort=" + selected().val;
if (currentFilters()) {
newRoute += "&filter=" + currentFilters();
}
if (currentInclude()) {
newRoute += "&include=" + currentInclude();
}
navigate(newRoute);
});
// Derive selected from URL params instead of local state
const selected = () => {
const sortParam = searchParams.sort || "newest";
return sorting.find((s) => s.val === sortParam) || sorting[0];
};
const handleSelect = (sort: { val: string; label: string }) => {
setSelected(sort);
setIsOpen(false);
// Build new URL preserving all existing params
const params = new URLSearchParams(searchParams as Record<string, string>);
params.set("sort", sort.val);
navigate(`${location.pathname}?${params.toString()}`);
};
return (

View File

@@ -24,18 +24,33 @@ export default function TagSelector(props: TagSelectorProps) {
const location = useLocation();
const [searchParams] = useSearchParams();
const currentSort = () => searchParams.sort || "";
const currentFilters = () =>
searchParams.filter?.split("|").filter(Boolean) || [];
const currentInclude = () =>
searchParams.include?.split("|").filter(Boolean) || [];
// Sync filter mode with URL params
// Get currently selected tags based on mode
const selectedTags = () => {
if (filterMode() === "whitelist") {
return currentInclude();
} else {
return currentFilters();
}
};
// Sync filter mode with URL params and ensure one is always present
createEffect(() => {
if (searchParams.include) {
if ("include" in searchParams) {
setFilterMode("whitelist");
} else if (searchParams.filter) {
} else if ("filter" in searchParams) {
setFilterMode("blacklist");
} else {
// No filter param exists, default to blacklist mode with empty filter
const params = new URLSearchParams(
searchParams as Record<string, string>
);
params.set("filter", "");
navigate(`${location.pathname}?${params.toString()}`, { replace: true });
}
});
@@ -51,22 +66,15 @@ export default function TagSelector(props: TagSelectorProps) {
Object.keys(props.tagMap).map((key) => key.slice(1))
);
// In blacklist mode: checked = not filtered out
// In whitelist mode: checked = included in whitelist
// Check if a tag is currently selected
const isTagChecked = (tag: string) => {
if (filterMode() === "whitelist") {
return currentInclude().includes(tag);
} else {
return !currentFilters().includes(tag);
}
return selectedTags().includes(tag);
};
const allChecked = createMemo(() => {
if (filterMode() === "whitelist") {
return currentInclude().length === allTagKeys().length;
} else {
return allTagKeys().every((tag) => !currentFilters().includes(tag));
}
return (
selectedTags().length === allTagKeys().length && allTagKeys().length > 0
);
});
const handleClickOutside = (e: MouseEvent) => {
@@ -94,84 +102,80 @@ export default function TagSelector(props: TagSelectorProps) {
};
const handleCheck = (tag: string, isChecked: boolean) => {
if (filterMode() === "whitelist") {
// Whitelist mode: manage include param
let newInclude: string[];
if (isChecked) {
// Add to whitelist
newInclude = [...currentInclude(), tag];
} else {
// Remove from whitelist
newInclude = currentInclude().filter((t) => t !== tag);
}
const currentSelected = selectedTags();
let newSelected: string[];
if (newInclude.length > 0) {
const includeStr = newInclude.map((t) => `#${t}`).join("|");
navigate(
`${location.pathname}?sort=${currentSort()}&include=${includeStr}`
);
} else {
// If no tags selected, clear whitelist
navigate(`${location.pathname}?sort=${currentSort()}`);
}
if (isChecked) {
// Add tag to selection
newSelected = [...currentSelected, tag];
} else {
// Blacklist mode: manage filter param
if (isChecked) {
const newFilters = searchParams.filter?.replace(tag + "|", "");
if (newFilters && newFilters.length >= 1) {
navigate(
`${location.pathname}?sort=${currentSort()}&filter=${newFilters}`
);
} else {
navigate(`${location.pathname}?sort=${currentSort()}`);
}
} else {
const currentFiltersStr = searchParams.filter;
if (currentFiltersStr) {
const newFilters = currentFiltersStr + tag + "|";
navigate(
`${location.pathname}?sort=${currentSort()}&filter=${newFilters}`
);
} else {
navigate(`${location.pathname}?sort=${currentSort()}&filter=${tag}|`);
}
}
// Remove tag from selection
newSelected = currentSelected.filter((t) => t !== tag);
}
// Build URL preserving all existing params
const params = new URLSearchParams(searchParams as Record<string, string>);
const paramName = filterMode() === "whitelist" ? "include" : "filter";
const otherParamName = filterMode() === "whitelist" ? "filter" : "include";
// Remove the other mode's param
params.delete(otherParamName);
if (newSelected.length > 0) {
const paramValue = newSelected.join("|");
params.set(paramName, paramValue);
} else {
// Keep empty param to preserve mode (especially important for whitelist)
params.set(paramName, "");
}
navigate(`${location.pathname}?${params.toString()}`);
};
const handleToggleAll = () => {
if (filterMode() === "whitelist") {
if (allChecked()) {
// Uncheck all: clear whitelist
navigate(`${location.pathname}?sort=${currentSort()}`);
} else {
// Check all: add all tags to whitelist
const allTags = allTagKeys()
.map((t) => `#${t}`)
.join("|");
navigate(
`${location.pathname}?sort=${currentSort()}&include=${allTags}`
);
}
const params = new URLSearchParams(searchParams as Record<string, string>);
const paramName = filterMode() === "whitelist" ? "include" : "filter";
const otherParamName = filterMode() === "whitelist" ? "filter" : "include";
// Remove the other mode's param
params.delete(otherParamName);
if (allChecked()) {
// Uncheck all: keep empty param to preserve mode
params.set(paramName, "");
} else {
if (allChecked()) {
// Uncheck all: Build filter string with all tags
const allTags = allTagKeys().join("|") + "|";
navigate(
`${location.pathname}?sort=${currentSort()}&filter=${allTags}`
);
} else {
// Check all: Remove filter param
navigate(`${location.pathname}?sort=${currentSort()}`);
}
// Check all: select all tags
const allTags = allTagKeys().join("|");
params.set(paramName, allTags);
}
navigate(`${location.pathname}?${params.toString()}`);
};
const toggleFilterMode = () => {
// Get current tags BEFORE changing mode
const currentSelected = selectedTags();
const newMode = filterMode() === "whitelist" ? "blacklist" : "whitelist";
setFilterMode(newMode);
// Clear all filters when switching modes
navigate(`${location.pathname}?sort=${currentSort()}`);
// Keep the same selected tags, just change the param name
const params = new URLSearchParams(searchParams as Record<string, string>);
const newParamName = newMode === "whitelist" ? "include" : "filter";
const oldParamName = newMode === "whitelist" ? "filter" : "include";
// Remove old param and set new one
params.delete(oldParamName);
if (currentSelected.length > 0) {
const paramValue = currentSelected.join("|");
params.set(newParamName, paramValue);
} else {
// Always keep the param, even if empty
params.set(newParamName, "");
}
navigate(`${location.pathname}?${params.toString()}`);
};
return (
@@ -209,8 +213,8 @@ export default function TagSelector(props: TagSelectorProps) {
</div>
<div class="text-subtext1 text-xs italic">
{filterMode() === "whitelist"
? "Check tags to show ONLY those posts"
: "Uncheck tags to HIDE those posts"}
? "Check tags to show ONLY posts with those tags"
: "Check tags to HIDE posts with those tags"}
</div>
</div>

View File

@@ -76,8 +76,10 @@ export default function BlogIndex() {
const [searchParams] = useSearchParams();
const sort = () => searchParams.sort || "newest";
const filters = () => searchParams.filter || "";
const include = () => searchParams.include || "";
const filters = () =>
"filter" in searchParams ? searchParams.filter : undefined;
const include = () =>
"include" in searchParams ? searchParams.include : undefined;
const data = createAsync(() => getPosts(), { deferStream: true });