游戏列表支持分页
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@@ -533,7 +533,7 @@ func NewSchema(config Config) (graphql.Schema, error) {
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Description: "条件筛选游戏列表",
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Description: "条件筛选游戏列表",
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Fields: graphql.Fields{
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Fields: graphql.Fields{
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"list": &graphql.Field{Type: graphql.NewList(game), Description: "游戏列表"},
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"list": &graphql.Field{Type: graphql.NewList(game), Description: "游戏列表"},
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//"total": &graphql.Field{Type: graphql.Int, Description: "游戏总数"},
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"total": &graphql.Field{Type: graphql.Int, Description: "游戏总数"},
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},
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},
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}),
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}),
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Args: graphql.FieldConfigArgument{
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Args: graphql.FieldConfigArgument{
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@@ -561,15 +561,33 @@ func NewSchema(config Config) (graphql.Schema, error) {
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var total int
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var total int
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var err error
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var err error
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var query = goqu.Dialect("mysql").From("web_article")
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var query = goqu.Dialect("mysql").From("web_article").Where(goqu.Ex{"category_top_id": 22})
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// 筛选条件
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// 筛选条件
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for _, format := range []string{"id", "style", "device", "orientation", "era", "category_id", "tags"} {
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for _, format := range []string{"id", "title", "style", "device", "orientation", "era", "category_id", "tags"} {
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if p.Args[format] != nil {
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if p.Args[format] != nil {
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query = query.Where(goqu.C(format).Eq(p.Args[format]))
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query = query.Where(goqu.C(format).Eq(p.Args[format]))
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}
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}
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}
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}
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// 如果查询了 total 字段
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if p.Info.FieldASTs[0].SelectionSet.Selections[1] != nil {
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sql, _, _ := query.ToSQL()
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fmt.Println(sql)
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sql = strings.Replace(sql, "SELECT *", "SELECT COUNT(*)", 1)
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fmt.Println(sql)
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if err := db.Raw(sql).Scan(&total).Error; err != nil {
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return nil, err
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}
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}
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// 如果没有外部排序则使用指定排序(正则sort只能是字母数字下划下)
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if p.Args["text"] == nil && p.Args["similar"] == nil && p.Args["interest"] == nil {
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sort := regexp.MustCompile(`[^a-zA-Z0-9_]`).ReplaceAllString(p.Args["sort"].(string), "")
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query = query.Select("web_article.id", goqu.L(
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fmt.Sprintf("ROW_NUMBER() OVER(ORDER BY web_article.%s %s)", sort, p.Args["order"]),
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).As("row_num"))
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} else {
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// 排序条件
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// 排序条件
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if p.Args["sort"] != nil {
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if p.Args["sort"] != nil {
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if p.Args["order"].(string) == "ASC" {
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if p.Args["order"].(string) == "ASC" {
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@@ -579,17 +597,10 @@ func NewSchema(config Config) (graphql.Schema, error) {
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query = query.Order(goqu.C(p.Args["sort"].(string)).Desc())
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query = query.Order(goqu.C(p.Args["sort"].(string)).Desc())
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}
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}
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}
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}
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// 如果没有外部排序则使用指定排序(正则sort只能是字母数字下划下)
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if p.Args["text"] == nil && p.Args["similar"] == nil && p.Args["interest"] == nil {
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sort := regexp.MustCompile(`[^a-zA-Z0-9_]`).ReplaceAllString(p.Args["sort"].(string), "")
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query = query.Select("web_images.id", goqu.L(
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fmt.Sprintf("ROW_NUMBER() OVER(ORDER BY web_images.%s %s)", sort, p.Args["order"]),
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).As("row_num"))
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}
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}
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// 取所有数据的前N条
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// 取所有数据的前N条
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sql, _, _ := query.Where(goqu.Ex{"article_category_top_id": 22}).ToSQL()
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sql, _, _ := query.ToSQL()
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fmt.Println(sql)
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fmt.Println(sql)
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// 遊標截取篩選結果集的前N条
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// 遊標截取篩選結果集的前N条
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@@ -607,13 +618,14 @@ func NewSchema(config Config) (graphql.Schema, error) {
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sql = fmt.Sprintf(`
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sql = fmt.Sprintf(`
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WITH RankedArticles AS (%s)
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WITH RankedArticles AS (%s)
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SELECT * FROM web_images INNER JOIN(
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SELECT * FROM web_article INNER JOIN(
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SELECT id, row_num FROM RankedArticles %s
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SELECT id, row_num FROM RankedArticles %s
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) AS LimitedRanked ON LimitedRanked.id = web_images.id
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) AS LimitedRanked ON LimitedRanked.id = web_article.id
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ORDER BY LimitedRanked.row_num ASC LIMIT %d
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ORDER BY LimitedRanked.row_num ASC LIMIT %d
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`, sql, cursor, limit)
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`, sql, cursor, limit)
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if err := db.Limit(limit).Where("category_top_id = 22").Find(&games).Error; err != nil {
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if err := db.Raw(sql).Scan(&games).Error; err != nil {
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fmt.Println("获取游戏列表失败", err)
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return nil, err
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return nil, err
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}
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}
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