# All files / modules/book-generator/utils outline-quality.ts

0% Statements 0/117
100% Branches 1/1
100% Functions 1/1
0% Lines 0/117

Press n or j to go to the next uncovered block, b, p or k for the previous block.

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49
    50
    51
    52
    53
    54
    55
    56
    57
    58
    59
    60
    61
    62
    63
    64
    65
    66
    67
    68
    69
    70
    71
    72
    73
    74
    75
    76
    77
    78
    79
    80
    81
    82
    83
    84
    85
    86
    87
    88
    89
    90
    91
    92
    93
    94
    95
    96
    97
    98
    99
    100
    101
    102
    103
    104
    105
    106
    107
    108
    109
    110
    111
    112
    113
    114
    115
    116
    117
    118
    119
    120
    121
    122
    123
    124
    125
    126
    127
    128
    129
    130
    131
    132
    133
    134
    135
    136
    137
    138
    139
    140
    141
    142
    143
    144
    145
    146
    147
    148
    149
    150
    151
    152
    153
    154
    155
    156
    157
    158
    159
    160
    161
    162
    163
    164
    165
    166
    167
    168
    169
    170
    171
    172
    173

     /**
     * 大纲质量评估器
     *
     * 解决 issue #10（没有大纲质量评估）
     * 在大纲生成后对其质量做结构化检查，发现问题可触发重新生成或人工审核。
     */

    export interface OutlineQualityResult {
      passed: boolean;
      score: number; // 0-100
      warnings: OutlineWarning[];
    }

    export interface OutlineWarning {
      type: 'duplicate_title' | 'too_many_chapters' | 'too_few_chapters' | 'empty_summary' | 'empty_keypoints' | 'granularity_issue';
      message: string;
      chapterNumber?: number;
      severity: 'low' | 'medium' | 'high';
    }

    interface OutlineChapter {
      number: number;
      title: string;
      summary?: string;
      keyPoints?: string[];
      estimatedWords?: number;
      sections?: any[];
    }

    /**
     * 评估大纲质量
     *
     * @param chapters 大纲章节列表
     * @param scaleConfig 规模配置（含 targetChapters, chapterWords 等）
     * @param genLevel 大纲层级
     */
    export function evaluateOutlineQuality(
      chapters: OutlineChapter[],
      scaleConfig: { chapters?: number; chapterWords?: number; totalWords?: number },
      genLevel: number = 2
    ): OutlineQualityResult {
      const warnings: OutlineWarning[] = [];
      let score = 100;

      if (!chapters || chapters.length === 0) {
        return { passed: false, score: 0, warnings: [{ type: 'too_few_chapters', message: '大纲章节数为空', severity: 'high' }] };
      }

      // 1. 检查章节标题重复
      const titleMap = new Map<string, number[]>();
      chapters.forEach((ch) => {
        const normalized = ch.title?.trim().toLowerCase() || '';
        if (normalized) {
          if (!titleMap.has(normalized)) titleMap.set(normalized, []);
          titleMap.get(normalized)!.push(ch.number);
        }
      });

      titleMap.forEach((numbers, title) => {
        if (numbers.length > 1) {
          warnings.push({
            type: 'duplicate_title',
            message: `章节标题重复: "${title}" 出现在第 ${numbers.join('、')} 章`,
            chapterNumber: numbers[0],
            severity: 'high',
          });
          score -= 15 * (numbers.length - 1);
        }
      });

      // 2. 检查章节数范围
      if (scaleConfig.chapters) {
        const minChapters = Math.floor(scaleConfig.chapters * 0.8);
        const maxChapters = Math.ceil(scaleConfig.chapters * 1.2);

        if (chapters.length > maxChapters) {
          warnings.push({
            type: 'too_many_chapters',
            message: `章节数 ${chapters.length} 超出推荐范围（${minChapters}-${maxChapters}）`,
            severity: 'medium',
          });
          score -= 10;
        } else if (chapters.length < minChapters) {
          warnings.push({
            type: 'too_few_chapters',
            message: `章节数 ${chapters.length} 少于推荐范围（${minChapters}-${maxChapters}）`,
            severity: 'medium',
          });
          score -= 10;
        }
      }

      // 3. 检查每章是否有摘要和知识点
      let emptySummaryCount = 0;
      let emptyKeyPointsCount = 0;

      chapters.forEach((ch) => {
        if (!ch.summary || ch.summary.trim().length < 10) {
          emptySummaryCount++;
        }
        if (!ch.keyPoints || ch.keyPoints.length === 0) {
          emptyKeyPointsCount++;
        }
      });

      if (emptySummaryCount > 0) {
        warnings.push({
          type: 'empty_summary',
          message: `${emptySummaryCount}/${chapters.length} 个章节缺少摘要`,
          severity: emptySummaryCount > chapters.length * 0.3 ? 'high' : 'medium',
        });
        score -= emptySummaryCount * 3;
      }

      if (emptyKeyPointsCount > 0) {
        warnings.push({
          type: 'empty_keypoints',
          message: `${emptyKeyPointsCount}/${chapters.length} 个章节缺少知识点`,
          severity: emptyKeyPointsCount > chapters.length * 0.3 ? 'high' : 'medium',
        });
        score -= emptyKeyPointsCount * 3;
      }

      // 4. 章节知识点粒度检查（太少的要报警）
      chapters.forEach((ch) => {
        if (ch.keyPoints && ch.keyPoints.length > 0 && ch.keyPoints.length < 2) {
          warnings.push({
            type: 'granularity_issue',
            message: `第${ch.number}章知识点过少（${ch.keyPoints.length}个），可能粒度太粗`,
            chapterNumber: ch.number,
            severity: 'low',
          });
          score -= 2;
        }
        if (ch.keyPoints && ch.keyPoints.length > 8) {
          warnings.push({
            type: 'granularity_issue',
            message: `第${ch.number}章知识点过多（${ch.keyPoints.length}个），可能粒度太细`,
            chapterNumber: ch.number,
            severity: 'low',
          });
          score -= 2;
        }
      });

      // 5. 对于 genLevel >= 2，检查节的结构
      if (genLevel >= 2) {
        let chaptersWithoutSections = 0;
        chapters.forEach((ch) => {
          if (!ch.sections || ch.sections.length === 0) {
            chaptersWithoutSections++;
          }
        });
        if (chaptersWithoutSections > 0) {
          warnings.push({
            type: 'granularity_issue',
            message: `${chaptersWithoutSections}/${chapters.length} 章缺少节结构`,
            severity: 'low',
          });
          score -= chaptersWithoutSections * 2;
        }
      }

      // 确保分数在 0-100 之间
      score = Math.max(0, Math.min(100, Math.round(score)));

      return {
        passed: score >= 60 && warnings.filter(w => w.severity === 'high').length === 0,
        score,
        warnings,
      };
    }