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migrations/006_resource_seven_locales.sql

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+-- Seven resource locales: zh (Simplified Chinese), en, ja, ko, vi, id, ms.
+
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS title_zh TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS title_ja TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS title_ko TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS title_vi TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS title_id TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS title_ms TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS description_zh TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS description_ja TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS description_ko TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS description_vi TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS description_id TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS description_ms TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS body_text_zh TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS body_text_ja TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS body_text_ko TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS body_text_vi TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS body_text_id TEXT;
+ALTER TABLE resources ADD COLUMN IF NOT EXISTS body_text_ms TEXT;
+
+UPDATE resources SET title_zh = COALESCE(NULLIF(title_zh, ''), NULLIF(title_zh_cn, ''), NULLIF(title_zh_tw, ''), title)
+  WHERE COALESCE(title_zh, '') = '';
+UPDATE resources SET description_zh = COALESCE(description_zh, description_zh_cn, description_zh_tw, description)
+  WHERE description_zh IS NULL;
+UPDATE resources SET body_text_zh = COALESCE(body_text_zh, body_text_zh_cn, body_text_zh_tw, body_text)
+  WHERE body_text_zh IS NULL;
+
+UPDATE resources SET title = COALESCE(NULLIF(title_zh, ''), title);
+UPDATE resources SET description = description_zh;
+UPDATE resources SET body_text = body_text_zh;
+UPDATE resources SET language = 'zh' WHERE language IN ('zh-TW', 'zh-CN', 'zh-tw', 'zh-cn');

migrations/007_category_seven_locales.sql

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+-- Category names/descriptions: zh (Simplified), en, ja, ko, vi, id, ms.
+
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS name_zh TEXT;
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS name_en TEXT;
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS name_ja TEXT;
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS name_ko TEXT;
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS name_vi TEXT;
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS name_id TEXT;
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS name_ms TEXT;
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS description_zh TEXT;
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS description_en TEXT;
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS description_ja TEXT;
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS description_ko TEXT;
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS description_vi TEXT;
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS description_id TEXT;
+ALTER TABLE categories ADD COLUMN IF NOT EXISTS description_ms TEXT;
+
+UPDATE categories SET name_zh = COALESCE(NULLIF(name_zh, ''), NULLIF(name_zh_cn, ''), name_zh_tw)
+  WHERE COALESCE(name_zh, '') = '';
+UPDATE categories SET description_zh = COALESCE(description_zh, description_zh_tw)
+  WHERE description_zh IS NULL;

migrations/008_posts.sql

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+-- Telegram-style posts feed (separate from legacy resources)
+
+CREATE TABLE IF NOT EXISTS posts (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    category_id INT NOT NULL REFERENCES categories(id),
+    language TEXT NOT NULL DEFAULT 'zh',
+    text_zh TEXT,
+    text_en TEXT,
+    text_ja TEXT,
+    text_ko TEXT,
+    text_vi TEXT,
+    text_id TEXT,
+    text_ms TEXT,
+    is_public BOOLEAN NOT NULL DEFAULT TRUE,
+    is_recommended BOOLEAN NOT NULL DEFAULT FALSE,
+    sort_order INT NOT NULL DEFAULT 0,
+    status TEXT NOT NULL DEFAULT 'draft',
+    published_at TIMESTAMPTZ,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    view_count INT NOT NULL DEFAULT 0,
+    download_count INT NOT NULL DEFAULT 0
+);
+
+CREATE INDEX IF NOT EXISTS idx_posts_category ON posts(category_id);
+CREATE INDEX IF NOT EXISTS idx_posts_status_public ON posts(status, is_public);
+CREATE INDEX IF NOT EXISTS idx_posts_published ON posts(published_at DESC NULLS LAST, id DESC);
+CREATE INDEX IF NOT EXISTS idx_posts_recommended ON posts(is_recommended) WHERE is_recommended = TRUE;
+
+CREATE TABLE IF NOT EXISTS post_attachments (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    post_id UUID NOT NULL REFERENCES posts(id) ON DELETE CASCADE,
+    kind TEXT NOT NULL,
+    url TEXT NOT NULL,
+    mime TEXT NOT NULL DEFAULT 'application/octet-stream',
+    filename TEXT NOT NULL DEFAULT '',
+    size_bytes BIGINT NOT NULL DEFAULT 0,
+    width INT,
+    height INT,
+    duration_sec INT,
+    poster_url TEXT,
+    thumbnail_url TEXT,
+    sort_order INT NOT NULL DEFAULT 0
+);
+
+CREATE INDEX IF NOT EXISTS idx_post_attachments_post ON post_attachments(post_id, sort_order ASC);
+
+CREATE TABLE IF NOT EXISTS post_tags (
+    post_id UUID NOT NULL REFERENCES posts(id) ON DELETE CASCADE,
+    tag_id INT NOT NULL REFERENCES tags(id) ON DELETE CASCADE,
+    PRIMARY KEY (post_id, tag_id)
+);