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ユーザーページにランクを表示するコンポーネントを作成 #65

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merged 3 commits into from
Nov 15, 2024

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TkymHrt
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@TkymHrt TkymHrt commented Nov 15, 2024

User description

概要

ユーザーページにランクを表示するコンポーネントを作成しました。

変更内容

PlayerRankCardコンポーネントを追加し、userページに配置しました。

動作確認

  • /user/page.tsx のPlayerRankCardコンポーネントのrankPointに渡す値を変更することで、表示が切り替わる。

PR Type

enhancement


Description

  • PlayerRankCardコンポーネントを新たに作成し、ユーザーページに追加しました。
  • ランクに応じた色と背景色を設定し、視覚的にランクを表示します。
  • 現在のランクと次のランク、ランク内での位置をパーセンテージで表示します。

Changes walkthrough 📝

Relevant files
Enhancement
page.tsx
ユーザーページにランク表示コンポーネントを追加                                                                   

app/src/app/user/page.tsx

  • PlayerRankCardコンポーネントをインポート
  • UserPagePlayerRankCardを追加
+2/-0     
PlayerRankCard.tsx
ランク表示用の`PlayerRankCard`コンポーネントを作成                                               

app/src/components/view/user/PlayerRankCard.tsx

  • PlayerRankCardコンポーネントを新規作成
  • ランクに応じた色と背景色を設定
  • 現在のランクと次のランクを表示
  • ランク内での位置をパーセンテージで表示
  • +165/-0 

    💡 PR-Agent usage: Comment /help "your question" on any pull request to receive relevant information

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    PR Reviewer Guide 🔍

    Here are some key observations to aid the review process:

    ⏱️ Estimated effort to review: 3 🔵🔵🔵⚪⚪
    🧪 No relevant tests
    🔒 No security concerns identified
    ⚡ Recommended focus areas for review

    Code Smell
    getCurrentRank関数は、ランクが見つからない場合にundefinedを返しますが、呼び出し元でのエラーハンドリングが不足しています。これにより、ランクが見つからない場合の挙動が不明確です。

    Possible Bug
    rankPositionPercentageの計算が、rankPointranks[currentRank].maxを超えた場合に正しく機能しない可能性があります。境界条件を確認する必要があります。

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    PR Code Suggestions ✨

    Explore these optional code suggestions:

    CategorySuggestion                                                                                                                                    Score
    Possible bug
    Validate rankPoint to prevent division by zero when calculating rank position percentage

    Ensure that rankPoint is within the valid range before calculating the rank position
    percentage to avoid potential division by zero errors.

    app/src/components/view/user/PlayerRankCard.tsx [93-98]

     const rankPositionPercentage =
    -    100 -
    -    Math.floor(
    -        ((rankPoint - ranks[currentRank].min) /
    -            (ranks[currentRank].max - ranks[currentRank].min)) *
    -            100,
    -    );
    +    currentRank && ranks[currentRank].max > ranks[currentRank].min
    +        ? 100 - Math.floor(
    +            ((rankPoint - ranks[currentRank].min) /
    +                (ranks[currentRank].max - ranks[currentRank].min)) *
    +                100,
    +        )
    +        : 0;
    Suggestion importance[1-10]: 8

    Why: This suggestion addresses a potential division by zero error, which could lead to runtime exceptions. Ensuring that the rankPoint is within a valid range is crucial for the stability of the application.

    8
    Performance
    Improve getCurrentRank to handle cases where rating is below the minimum threshold

    Optimize the getCurrentRank function to return early if rating is below the minimum
    rank value.

    app/src/components/view/user/PlayerRankCard.tsx [59-62]

     const getCurrentRank = (rating: number): string | undefined => {
    +    if (rating < 0) return undefined;
         return Object.entries(ranks).find(
             ([_, { min, max }]) => rating >= min && rating <= max,
         )?.[0];
     };
    Suggestion importance[1-10]: 7

    Why: This optimization improves the robustness of the getCurrentRank function by handling cases where the rating is below the minimum threshold. This can prevent unexpected behavior in the application.

    7
    Optimize rank retrieval by caching the keys of ranks to reduce redundant calculations

    Refactor the rank calculation logic to avoid repeated calls to Object.keys(ranks)
    for better performance.

    app/src/components/view/user/PlayerRankCard.tsx [78-81]

    -const nextRank =
    -    currentRank &&
    -    (Object.keys(ranks)[Object.keys(ranks).indexOf(currentRank) + 1] ||
    -        undefined);
    +const rankKeys = Object.keys(ranks);
    +const currentIndex = rankKeys.indexOf(currentRank);
    +const nextRank = currentIndex >= 0 ? rankKeys[currentIndex + 1] : undefined;
    Suggestion importance[1-10]: 5

    Why: This suggestion improves performance by reducing redundant calls to Object.keys(ranks). While it enhances efficiency, the impact on functionality is minimal compared to the other suggestions.

    5
    Enhancement
    Provide a fallback rank to ensure currentRank is always defined

    Consider using a fallback value for currentRank in case rankPoint is less than the
    minimum rank value.

    app/src/components/view/user/PlayerRankCard.tsx [66-67]

     const [currentRank, setCurrentRank] = useState<string | undefined>(
    -    getCurrentRank(rankPoint),
    +    getCurrentRank(rankPoint) || "ブロンズ",
     );
    Suggestion importance[1-10]: 6

    Why: This enhancement ensures that currentRank is always defined, which can prevent potential issues when rendering components that depend on it. However, it does not address a critical bug.

    6

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    @hikahana hikahana left a comment

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    LGTM

    @hikahana hikahana merged commit 0bf491d into main Nov 15, 2024
    1 check passed
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    2 participants