Initialize work order management system with database schema, API handlers, web client, and Docker configuration.

internal/api/handlers/resource.go

@@ -0,0 +1,74 @@
+package handlers
+
+import (
+	"net/http"
+
+	"github.com/jmoiron/sqlx"
+	"workorders/internal/model"
+)
+
+type ResourceHandler struct{ db *sqlx.DB }
+
+func NewResourceHandler(db *sqlx.DB) *ResourceHandler { return &ResourceHandler{db: db} }
+
+func (h *ResourceHandler) List(w http.ResponseWriter, r *http.Request) {
+	woID, err := intParam(r, "id")
+	if err != nil {
+		respondError(w, http.StatusBadRequest, "invalid id")
+		return
+	}
+	var rows []model.AssignedResource
+	err = h.db.Select(&rows, `
+		SELECT r.id, r.wo_id, r.resource_type, r.resource_id, r.quantity, r.notes, r.assigned_at,
+		       ISNULL(p.name, ISNULL(v.unit_number, ISNULL(e.name, m.name))) AS name
+		FROM wo_resources r
+		LEFT JOIN resource_people    p ON r.resource_type='person'    AND r.resource_id=p.id
+		LEFT JOIN resource_vehicles  v ON r.resource_type='vehicle'   AND r.resource_id=v.id
+		LEFT JOIN resource_equipment e ON r.resource_type='equipment' AND r.resource_id=e.id
+		LEFT JOIN resource_materials m ON r.resource_type='material'  AND r.resource_id=m.id
+		WHERE r.wo_id=@p1`, woID)
+	if err != nil {
+		respondError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+	respond(w, http.StatusOK, rows)
+}
+
+func (h *ResourceHandler) Assign(w http.ResponseWriter, r *http.Request) {
+	woID, err := intParam(r, "id")
+	if err != nil {
+		respondError(w, http.StatusBadRequest, "invalid id")
+		return
+	}
+	var body struct {
+		ResourceType string   `json:"resource_type"`
+		ResourceID   int      `json:"resource_id"`
+		Quantity     *float64 `json:"quantity"`
+		Notes        string   `json:"notes"`
+	}
+	if err := decode(r, &body); err != nil {
+		respondError(w, http.StatusBadRequest, "invalid body")
+		return
+	}
+	var rid int
+	err = h.db.QueryRow(`
+		INSERT INTO wo_resources (wo_id,resource_type,resource_id,quantity,notes)
+		OUTPUT INSERTED.id VALUES (@p1,@p2,@p3,@p4,@p5)`,
+		woID, body.ResourceType, body.ResourceID, body.Quantity, body.Notes,
+	).Scan(&rid)
+	if err != nil {
+		respondError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+	respond(w, http.StatusCreated, map[string]any{"id": rid})
+}
+
+func (h *ResourceHandler) Remove(w http.ResponseWriter, r *http.Request) {
+	rid, err := intParam(r, "rid")
+	if err != nil {
+		respondError(w, http.StatusBadRequest, "invalid rid")
+		return
+	}
+	h.db.Exec(`DELETE FROM wo_resources WHERE id=@p1`, rid)
+	respond(w, http.StatusOK, map[string]any{"deleted": rid})
+}