init

internal/storage/issues.go

@@ -0,0 +1,202 @@
+package storage
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log"
+	"madsky.ru/go-tracker/internal/database"
+	"madsky.ru/go-tracker/internal/model/issue"
+	"madsky.ru/go-tracker/internal/model/project"
+	"madsky.ru/go-tracker/internal/model/status"
+)
+
+type IssueRepository interface {
+	Find(ctx context.Context) ([]*issue.Issue, error)
+	UpdatePositions(ctx context.Context, position int, statusId uint32, id uint32) (*uint32, error)
+	FindOne(ctx context.Context, id uint64) (*issue.Issue, error)
+	Create(ctx context.Context, dto *issue.CreateIssueDTO) (*uint64, error)
+	Update(ctx context.Context, id uint64, issue *issue.Issue) error
+	Remove(ctx context.Context, id uint64) (uint64, error)
+}
+
+type IssueStore struct {
+	client database.Client
+}
+
+func (is *IssueStore) Find(ctx context.Context) ([]*issue.Issue, error) {
+	q := `select 
+    	i."id", 
+    	i."name", 
+    	i."description", 
+    	i."position", 
+    	i."created", 
+    	i."project_id", 
+    	i."status_id", 
+    	p."id" as project_id, 
+    	p."name" as project_name, 
+    	p."description" as project_description, 
+    	p."key" as project_key, 
+    	s."id" as status_id, 
+    	s."name" as status_name, 
+    	s."description" as status_description, 
+    	s."position" as position 
+	from issues i 
+	join projects p on p.id = project_id
+	join statuses s on s.id = status_id`
+
+	rows, err := is.client.Query(ctx, q)
+	if err != nil {
+		log.Println("rows", err)
+		return nil, err
+	}
+
+	issues := make([]*issue.Issue, 0)
+
+	for rows.Next() {
+		var n issue.Issue
+		var p project.Project
+		var s status.Status
+
+		err = rows.Scan(
+			&n.ID,
+			&n.Name,
+			&n.Description,
+			&n.Position,
+			&n.Created,
+			&n.ProjectID,
+			&n.StatusID,
+			&p.ID,
+			&p.Name,
+			&p.Description,
+			&p.Key,
+			&s.ID,
+			&s.Name,
+			&s.Description,
+			&s.Position,
+		)
+		if err != nil {
+			log.Println("scan", err)
+			return nil, err
+		}
+		n.Project = p
+		n.Status = s
+		issues = append(issues, &n)
+	}
+
+	if err = rows.Err(); err != nil {
+		log.Println("rows err", err)
+		return nil, err
+	}
+
+	return issues, nil
+}
+
+func (is *IssueStore) UpdatePositions(ctx context.Context, position int, statusId uint32, id uint32) (*uint32, error) {
+	q := `update issues set "position" = $1, "status_id"=$2 where "id"=$3 returning id`
+
+	var resultId uint32
+
+	if err := is.client.QueryRow(ctx, q, position, statusId, id).Scan(&resultId); err != nil {
+		fmt.Println(fmt.Sprintf("error %v", err))
+		return nil, err
+	}
+
+	return &resultId, nil
+}
+
+func (is *IssueStore) FindOne(ctx context.Context, id uint64) (*issue.Issue, error) {
+	q := `select 
+    	i."id", 
+    	i."name", 
+    	i."description", 
+    	i."position", 
+    	i."created", 
+    	i."project_id", 
+    	i."status_id", 
+    	p."id" as project_id, 
+    	p."name" as project_name, 
+    	p."description" as project_description, 
+    	p."key" as project_key, 
+    	s."id" as status_id, 
+    	s."name" as status_name, 
+    	s."description" as status_description, 
+    	s."position" as position 
+	from issues i 
+	join projects p on p.id = project_id
+	join statuses s on s.id = status_id
+	where i."id" = $1`
+
+	var n issue.Issue
+	var p project.Project
+	var s status.Status
+
+	if err := is.client.QueryRow(ctx, q, id).Scan(
+		&n.ID,
+		&n.Name,
+		&n.Description,
+		&n.Position,
+		&n.Created,
+		&n.ProjectID,
+		&n.StatusID,
+		&p.ID,
+		&p.Name,
+		&p.Description,
+		&p.Key,
+		&s.ID,
+		&s.Name,
+		&s.Description,
+		&s.Position,
+	); err != nil {
+		fmt.Println(err)
+		return &issue.Issue{}, err
+	}
+
+	n.Project = p
+	n.Status = s
+
+	return &n, nil
+}
+
+func (is *IssueStore) Create(ctx context.Context, dto *issue.CreateIssueDTO) (*uint64, error) {
+	q := `insert into issues (name, description, project_id, status_id, position) 
+	values ($1, $2, $3, $4, $5) 
+	returning id`
+
+	var position uint32 = 0
+	var id uint64
+
+	if dto.Position != nil {
+		position = *dto.Position
+	}
+
+	if err := is.client.QueryRow(ctx, q, dto.Name, dto.Description, dto.ProjectID, dto.StatusID, position).Scan(&id); err != nil {
+		fmt.Println(fmt.Sprintf("error %v", err))
+		return nil, err
+	}
+	return &id, nil
+}
+
+func (is *IssueStore) Update(ctx context.Context, id uint64, issue *issue.Issue) error {
+	//TODO implement me
+	fmt.Println("update", id, issue, ctx)
+	panic("implement me")
+}
+
+func (is *IssueStore) Remove(ctx context.Context, id uint64) (uint64, error) {
+	q := "delete from issues where id=$1"
+
+	tag, err := is.client.Exec(ctx, q, id)
+	if err != nil {
+		log.Println("exec error", err)
+		return 0, err
+	}
+
+	rowsAffected := tag.RowsAffected()
+
+	if rowsAffected == 0 {
+		return 0, errors.New("project not found")
+	}
+
+	return uint64(rowsAffected), nil
+}