feat: 增加真实采购任务安全模式 (#98)
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@@ -2,6 +2,7 @@ package repository
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import (
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"database/sql"
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"encoding/json"
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"errors"
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"fmt"
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"strings"
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@@ -9,6 +10,29 @@ import (
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"cmautobuy/admin/model"
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)
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// ClientPurchaseMode 返回客户端最后一次登记时声明的采购能力。
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// 旧数据、空值或无法解析的 JSON 一律按 dry_run 处理,这是安全默认值。
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func ClientPurchaseMode(q Execer, clientID string) (string, error) {
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var raw sql.NullString
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if err := q.QueryRow(`SELECT capabilities FROM clients WHERE client_id = ?`, clientID).Scan(&raw); errors.Is(err, sql.ErrNoRows) {
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return "", ErrClientNotFound
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} else if err != nil {
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return "", fmt.Errorf("读取客户端 %s 的采购能力失败: %w", clientID, err)
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}
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return ParseClientPurchaseMode(raw.String), nil
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}
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// ParseClientPurchaseMode 把登记能力转成安全的固定值,供列表和创建校验共用。
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func ParseClientPurchaseMode(raw string) string {
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var capabilities struct {
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PurchaseMode string `json:"purchase_mode"`
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}
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if json.Unmarshal([]byte(raw), &capabilities) == nil && capabilities.PurchaseMode == string(model.TaskExecutionLive) {
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return capabilities.PurchaseMode
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}
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return string(model.TaskExecutionDryRun)
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}
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var (
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ErrClientNotFound = errors.New("客户端不存在")
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ErrPurchaserNotActive = errors.New("采购员不存在或已禁用")
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