Overhaul [1/n]

Signed-off-by: Sean Du <do4suki@gmail.com>

internal/handler/api/unit/removableskillinfo.go

@@ -0,0 +1,76 @@
+package unit
+
+import (
+	"honoka-chan/internal/schema/api/unit"
+	"honoka-chan/internal/session"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+func unitRemovableSkillInfo(ctx *gin.Context) (res any, err error) {
+	ss := session.Get(ctx)
+
+	var skillEquipCount []unit.SkillEquipCount
+	err = ss.UserEng.Table("user_unit_skill_equip").Where("user_id = ?", ss.UserID).Select("unit_removable_skill_id,COUNT(*) AS ct").
+		GroupBy("unit_removable_skill_id").Find(&skillEquipCount)
+	if ss.CheckErr(err) {
+		return
+	}
+
+	var rmSkillIds []int
+	err = ss.MainEng.Table("unit_removable_skill_m").Where("effect_range = 1").Cols("unit_removable_skill_id").Find(&rmSkillIds)
+	if ss.CheckErr(err) {
+		return
+	}
+
+	owingInfo := []unit.OwningInfo{}
+	for _, id := range rmSkillIds {
+		info := unit.OwningInfo{
+			UnitRemovableSkillID: id,
+			TotalAmount:          9,
+			EquippedAmount:       0,
+			InsertDate:           "2023-01-01 12:00:00",
+		}
+		for _, sk := range skillEquipCount {
+			if id == sk.UnitRemovableSkillId {
+				info.EquippedAmount = sk.Count
+				break
+			}
+		}
+		owingInfo = append(owingInfo, info)
+	}
+
+	var unitOwningIds []int
+	err = ss.UserEng.Table("user_unit_skill_equip").Where("user_id = ?", ss.UserID).Cols("unit_owning_user_id").GroupBy("unit_owning_user_id").Find(&unitOwningIds)
+	if ss.CheckErr(err) {
+		return
+	}
+
+	equipInfo := map[int]any{}
+	for _, v := range unitOwningIds {
+		detail := []unit.SkillEquipDetail{}
+		err = ss.UserEng.Table("user_unit_skill_equip").Where("user_id = ? AND unit_owning_user_id = ?", ss.UserID, v).
+			Cols("unit_removable_skill_id").Find(&detail)
+		if ss.CheckErr(err) {
+			return
+		}
+
+		equipInfo[v] = unit.SkillEquipList{
+			UnitOwningUserID: v,
+			Detail:           detail,
+		}
+	}
+
+	res = unit.RemovableSkillInfoResp{
+		Result: unit.RemovableSkillInfoData{
+			OwningInfo:    owingInfo,
+			EquipmentInfo: equipInfo,
+		}, // 宝石
+		Status:     200,
+		CommandNum: false,
+		TimeStamp:  time.Now().Unix(),
+	}
+
+	return res, err
+}