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851: Move leetcode enum to pretty name lookup to backend type generator #869

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d76136e
851: Move leetcode enum to pretty name lookup to backend type generator
angelayu0530 Mar 18, 2026
8291775
851: Sonar comments
angelayu0530 Mar 19, 2026
b5f211f
851: Pr changes
angelayu0530 Mar 22, 2026
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6 changes: 4 additions & 2 deletions js/src/lib/api/utils/index.ts
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Original file line number Diff line number Diff line change
@@ -1,13 +1,15 @@
import type { Api } from "@/lib/api/types";

import { PARENT_TAGS_TO_CHILD_TAGS } from "@/lib/api/types/complex";
import {
PARENT_TAGS_TO_CHILD_TAGS,
TOPIC_METADATA_LIST,
} from "@/lib/api/types/complex";
import { LeetcodeTopicEnum, Tag } from "@/lib/api/types/schema";
import {
TAG_METADATA_LIST,
UNUSED_TAGS,
NON_SCHOOL_TAGS,
} from "@/lib/api/utils/metadata/tag";
import { TOPIC_METADATA_LIST } from "@/lib/api/utils/metadata/topic";
import { ApiTypeUtils } from "@/lib/api/utils/types";

/**
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87 changes: 0 additions & 87 deletions js/src/lib/api/utils/metadata/topic/index.ts
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10 changes: 5 additions & 5 deletions js/src/lib/api/utils/types.ts
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Original file line number Diff line number Diff line change
@@ -1,6 +1,9 @@
import type { Api } from "@/lib/api/types";

import { TagMetadataObject } from "@/lib/api/types/complex";
import {
TagMetadataObject,
TopicMetadataObject,
} from "@/lib/api/types/complex";
import { Tag } from "@/lib/api/types/schema";
import { UNUSED_TAGS } from "@/lib/api/utils/metadata/tag";

Expand Down Expand Up @@ -42,8 +45,5 @@ export namespace ApiTypeUtils {
/**
* Pretty name for the given topic.
*/
export type QuestionTopicTopicMetadata = {
name: string;
aliases?: string[];
};
export type QuestionTopicTopicMetadata = TopicMetadataObject;
}
168 changes: 168 additions & 0 deletions ...n/java/org/patinanetwork/codebloom/common/db/models/question/topic/TopicMetadataList.java
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@tahminator tahminator Mar 22, 2026

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Move this to the org.patinanetwork.codebloom.shared package

Original file line number Diff line number Diff line change
@@ -0,0 +1,168 @@
package org.patinanetwork.codebloom.common.db.models.question.topic;

import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

public final class TopicMetadataList {
private TopicMetadataList() {}

public static final Map<LeetcodeTopicEnum, TopicMetadataObject> ENUM_TO_TOPIC_METADATA =
Collections.unmodifiableMap(generate());

private static Map<LeetcodeTopicEnum, TopicMetadataObject> generate() {
return Arrays.stream(LeetcodeTopicEnum.values())
.collect(Collectors.toMap(
topic -> topic, TopicMetadataList::buildMetadata, (a, b) -> a, LinkedHashMap::new));
}

private static TopicMetadataObject buildMetadata(LeetcodeTopicEnum topic) {
return switch (topic) {
case STACK -> TopicMetadataObject.builder().name("Stack").build();
case DATA_STREAM ->
TopicMetadataObject.builder().name("Data Stream").build();
case REJECTION_SAMPLING ->
TopicMetadataObject.builder().name("Rejection Sampling").build();
case GEOMETRY -> TopicMetadataObject.builder().name("Geometry").build();
case COUNTING -> TopicMetadataObject.builder().name("Counting").build();
case DESIGN -> TopicMetadataObject.builder().name("Design").build();
case PROBABILITY_AND_STATISTICS ->
TopicMetadataObject.builder().name("Probability and Statistics").build();
case MINIMUM_SPANNING_TREE ->
TopicMetadataObject.builder()
.name("Minimum Spanning Tree")
.aliases(List.of("MST"))
.build();
case LINE_SWEEP -> TopicMetadataObject.builder().name("Line Sweep").build();
case NUMBER_THEORY ->
TopicMetadataObject.builder().name("Number Theory").build();
case ROLLING_HASH ->
TopicMetadataObject.builder().name("Rolling Hash").build();
case SEGMENT_TREE ->
TopicMetadataObject.builder().name("Segment Tree").build();
case BICONNECTED_COMPONENT ->
TopicMetadataObject.builder().name("Biconnected Component").build();
case MONOTONIC_STACK ->
TopicMetadataObject.builder().name("Monotonic Stack").build();
case ITERATOR -> TopicMetadataObject.builder().name("Iterator").build();
case QUEUE -> TopicMetadataObject.builder().name("Queue").build();
case RADIX_SORT -> TopicMetadataObject.builder().name("Radix Sort").build();
case BUCKET_SORT ->
TopicMetadataObject.builder().name("Bucket Sort").build();
case SHELL -> TopicMetadataObject.builder().name("Shell Sort").build();
case MEMOIZATION ->
TopicMetadataObject.builder().name("Memoization").build();
case STRING -> TopicMetadataObject.builder().name("String").build();
case PREFIX_SUM -> TopicMetadataObject.builder().name("Prefix Sum").build();
case CONCURRENCY ->
TopicMetadataObject.builder().name("Concurrency").build();
case DATABASE ->
TopicMetadataObject.builder()
.name("Database")
.aliases(List.of("DB"))
.build();
case SHORTEST_PATH ->
TopicMetadataObject.builder().name("Shortest Path").build();
case SORTING -> TopicMetadataObject.builder().name("Sorting").build();
case LINKED_LIST ->
TopicMetadataObject.builder().name("Linked List").build();
case SLIDING_WINDOW ->
TopicMetadataObject.builder().name("Sliding Window").build();
case SUFFIX_ARRAY ->
TopicMetadataObject.builder().name("Suffix Array").build();
case DOUBLY_LINKED_LIST ->
TopicMetadataObject.builder().name("Doubly Linked List").build();
case SIMULATION -> TopicMetadataObject.builder().name("Simulation").build();
case ORDERED_SET ->
TopicMetadataObject.builder().name("Ordered Set").build();
case GRAPH -> TopicMetadataObject.builder().name("Graph").build();
case MATH -> TopicMetadataObject.builder().name("Math").build();
case ORDERED_MAP ->
TopicMetadataObject.builder().name("Ordered Map").build();
case GAME_THEORY ->
TopicMetadataObject.builder().name("Game Theory").build();
case DYNAMIC_PROGRAMMING ->
TopicMetadataObject.builder()
.name("Dynamic Programming")
.aliases(List.of("DP"))
.build();
case RECURSION -> TopicMetadataObject.builder().name("Recursion").build();
case MONOTONIC_QUEUE ->
TopicMetadataObject.builder().name("Monotonic Queue").build();
case MATRIX -> TopicMetadataObject.builder().name("Matrix").build();
case RESERVOIR_SAMPLING ->
TopicMetadataObject.builder().name("Reservoir Sampling").build();
case MERGE_SORT -> TopicMetadataObject.builder().name("Merge Sort").build();
case COMBINATORICS ->
TopicMetadataObject.builder().name("Combinatorics").build();
case INTERACTIVE ->
TopicMetadataObject.builder().name("Interactive").build();
case BINARY_TREE ->
TopicMetadataObject.builder().name("Binary Tree").build();
case RANDOMIZED -> TopicMetadataObject.builder().name("Randomized").build();
case BITMASK -> TopicMetadataObject.builder().name("Bitmask").build();
case BREADTH_FIRST_SEARCH ->
TopicMetadataObject.builder()
.name("Breadth-First Search")
.aliases(List.of("BFS"))
.build();
case STRING_MATCHING ->
TopicMetadataObject.builder().name("String Matching").build();
case GREEDY -> TopicMetadataObject.builder().name("Greedy").build();
case BRAINTEASER ->
TopicMetadataObject.builder().name("Brainteaser").build();
case BACKTRACKING ->
TopicMetadataObject.builder().name("Backtracking").build();
case BIT_MANIPULATION ->
TopicMetadataObject.builder().name("Bit Manipulation").build();
case UNION_FIND -> TopicMetadataObject.builder().name("Union-Find").build();
case BINARY_SEARCH_TREE ->
TopicMetadataObject.builder()
.name("Binary Search Tree")
.aliases(List.of("BST"))
.build();
case TWO_POINTERS ->
TopicMetadataObject.builder().name("Two Pointers").build();
case ARRAY -> TopicMetadataObject.builder().name("Array").build();
case DEPTH_FIRST_SEARCH ->
TopicMetadataObject.builder()
.name("Depth-First Search")
.aliases(List.of("DFS"))
.build();
case EULERIAN_CIRCUIT ->
TopicMetadataObject.builder().name("Eulerian Circuit").build();
case TREE -> TopicMetadataObject.builder().name("Tree").build();
case BINARY_SEARCH ->
TopicMetadataObject.builder()
.name("Binary Search")
.aliases(List.of("BS"))
.build();
case STRONGLY_CONNECTED_COMPONENT ->
TopicMetadataObject.builder()
.name("Strongly Connected Component")
.build();
case ENUMERATION ->
TopicMetadataObject.builder().name("Enumeration").build();
case HEAP_PRIORITY_QUEUE ->
TopicMetadataObject.builder().name("Heap / Priority Queue").build();
case DIVIDE_AND_CONQUER ->
TopicMetadataObject.builder().name("Divide and Conquer").build();
case HASH_FUNCTION ->
TopicMetadataObject.builder().name("Hash Function").build();
case HASH_TABLE -> TopicMetadataObject.builder().name("Hash Table").build();
case TRIE -> TopicMetadataObject.builder().name("Trie").build();
case TOPOLOGICAL_SORT ->
TopicMetadataObject.builder().name("Topological Sort").build();
case QUICKSELECT ->
TopicMetadataObject.builder().name("Quickselect").build();
case BINARY_INDEXED_TREE ->
TopicMetadataObject.builder().name("Binary Indexed Tree").build();
case COUNTING_SORT ->
TopicMetadataObject.builder().name("Counting Sort").build();
case UNKNOWN -> TopicMetadataObject.builder().name("Unknown").build();
};
}
}
17 changes: 17 additions & 0 deletions ...java/org/patinanetwork/codebloom/common/db/models/question/topic/TopicMetadataObject.java
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@@ -0,0 +1,17 @@
package org.patinanetwork.codebloom.common.db.models.question.topic;

import com.fasterxml.jackson.annotation.JsonInclude;
import java.util.List;
import lombok.Builder;
import lombok.Getter;

@Getter
@Builder
@JsonInclude(JsonInclude.Include.NON_NULL)
public class TopicMetadataObject {
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@tahminator tahminator Mar 22, 2026

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it might be good to create an interface called TypableObject that exports a getTsType method so we can inforce a shared way to get the type out (as well as some useful documentation about how it should work)

public static final String TS_TYPE =
"export type TopicMetadataObject = {\n" + " name: string;\n" + " aliases?: string[];\n" + "};\n\n";
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@tahminator tahminator Mar 22, 2026

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make this a multi line string so it's easier to edit & parse (with .stripIdent() to normalize the zero-point pad size)


private final String name;
private final List<String> aliases;
}
11 changes: 10 additions & 1 deletion src/main/java/org/patinanetwork/codebloom/shared/tag/TagMetadataList.java
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Original file line number Diff line number Diff line change
@@ -1,13 +1,22 @@
package org.patinanetwork.codebloom.shared.tag;

import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.stream.Collectors;
import org.patinanetwork.codebloom.common.db.models.usertag.Tag;

public class TagMetadataList {
public static final Map<Tag, Map<String, String>> ENUM_TO_STRING_VALUE_MAP = generate();
public static final String TS_TYPE = "export type TagMetadataObject = {\n"
+ " shortName: string;\n"
+ " name: string;\n"
+ " apiKey: string;\n"
+ " alt: string;\n"
+ "};\n\n";
Comment on lines +11 to +16
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@tahminator tahminator Mar 22, 2026

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make this a multi line string so it's easier to edit & parse (with .stripIdent() to normalize the zero-point pad size)


public static final Map<Tag, Map<String, String>> ENUM_TO_STRING_VALUE_MAP =
Collections.unmodifiableMap(generate());

private static Map<Tag, Map<String, String>> generate() {
return Arrays.stream(Tag.values())
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