1 files changed, 54 insertions, 0 deletions
diff --git a/internal/models/engagement.go b/internal/models/engagement.go
new file mode 100644
index 0000000..87e0786
--- /dev/null
+++ b/internal/models/engagement.go
@@ -0,0 +1,54 @@
+package models
+
+import (
+	"database/sql"
+	"fmt"
+	"strconv"
+	"time"
+)
+
+type EngagementStrategy struct {
+	ID        int
+	ValidFrom time.Time
+	ValidTo   time.Time
+	Operation Operation
+}
+
+func (es *EngagementStrategy) FormatForTable() string {
+	startYear := strconv.Itoa(es.ValidFrom.Year())
+	endYear := strconv.Itoa(es.ValidTo.Year())
+	return fmt.Sprintf("%s-%s", startYear, endYear)
+}
+
+type EngagementStrategyModel struct {
+	DB *sql.DB
+}
+
+func (m *EngagementStrategyModel) GetForOperation(id int) ([]EngagementStrategy, error) {
+	stmt := `SELECT id, valid_from, valid_to FROM engagement_strategies
+WHERE operation_id = ?`
+	rows, err := m.DB.Query(stmt, id)
+	if err != nil {
+		return nil, err
+	}
+
+	defer rows.Close()
+
+	var esses []EngagementStrategy
+
+	for rows.Next() {
+		var es EngagementStrategy
+		err = rows.Scan(&es.ID, &es.ValidFrom, &es.ValidTo)
+		if err != nil {
+			return nil, err
+		}
+
+		esses = append(esses, es)
+	}
+
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
+
+	return esses, nil
+}