initial commit

internal/workspace/http_handlers.go

@@ -0,0 +1,110 @@
+package workspace
+
+import (
+	"database/sql"
+	"encoding/json"
+	"errors"
+	"github.com/docker/docker/api/types/container"
+	"github.com/google/uuid"
+	"github.com/labstack/echo/v4"
+	"net/http"
+	"tesseract/internal/service"
+	"tesseract/internal/template"
+	"time"
+)
+
+type createWorkspaceRequestBody struct {
+	ImageID string `json:"imageId"`
+}
+
+func fetchAllWorkspaces(c echo.Context) error {
+	db := service.Database(c)
+
+	var workspaces []workspace
+	err := db.NewSelect().Model(&workspaces).Scan(c.Request().Context())
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return c.JSON(http.StatusOK, make([]workspace, 0))
+		}
+		return err
+	}
+
+	if len(workspaces) == 0 {
+		return c.JSON(http.StatusOK, make([]workspace, 0))
+	}
+
+	return c.JSON(http.StatusOK, workspaces)
+}
+
+func createWorkspace(c echo.Context) error {
+	workspaceName := c.Param("workspaceName")
+	if workspaceName == "" {
+		return echo.NewHTTPError(http.StatusNotFound)
+	}
+
+	if !workspaceNameRegex.MatchString(workspaceName) {
+		return echo.NewHTTPError(http.StatusNotFound)
+	}
+
+	body := createWorkspaceRequestBody{}
+	err := json.NewDecoder(c.Request().Body).Decode(&body)
+	if err != nil {
+		return echo.NewHTTPError(http.StatusBadRequest)
+	}
+
+	db := service.Database(c)
+
+	tx, err := db.BeginTx(c.Request().Context(), nil)
+	if err != nil {
+		return err
+	}
+
+	var img template.TemplateImage
+	err = tx.NewSelect().Model(&img).
+		Where("image_id = ?", body.ImageID).
+		Scan(c.Request().Context())
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return echo.NewHTTPError(http.StatusBadRequest, "image id not found")
+		}
+		return err
+	}
+
+	docker := service.DockerClient(c)
+
+	res, err := docker.ContainerCreate(c.Request().Context(), &container.Config{
+		Image: img.ImageID,
+	}, nil, nil, nil, workspaceName)
+	if err != nil {
+		return err
+	}
+
+	err = docker.ContainerStart(c.Request().Context(), res.ID, container.StartOptions{})
+	if err != nil {
+		return err
+	}
+
+	id, err := uuid.NewV7()
+	if err != nil {
+		return err
+	}
+
+	w := workspace{
+		ID:          id,
+		Name:        workspaceName,
+		ContainerID: res.ID,
+		ImageTag:    img.ImageTag,
+		CreatedAt:   time.Now().Format(time.RFC3339),
+	}
+	_, err = tx.NewInsert().Model(&w).Exec(c.Request().Context())
+	if err != nil {
+		_ = tx.Rollback()
+		return err
+	}
+
+	if err = tx.Commit(); err != nil {
+		return err
+	}
+
+	return c.JSON(http.StatusOK, w)
+}

internal/workspace/routes.go

@@ -0,0 +1,10 @@
+package workspace
+
+import (
+	"github.com/labstack/echo/v4"
+)
+
+func DefineRoutes(g *echo.Group) {
+	g.GET("/workspaces", fetchAllWorkspaces)
+	g.POST("/workspaces/:workspaceName", createWorkspace)
+}

internal/workspace/workspace.go

@@ -0,0 +1,24 @@
+package workspace
+
+import (
+	"github.com/google/uuid"
+	"github.com/uptrace/bun"
+	"regexp"
+)
+
+type workspace struct {
+	bun.BaseModel `bun:"table:workspaces,alias:workspace"`
+
+	ID uuid.UUID `bun:",type:uuid,pk"`
+
+	Name string `json:"name"`
+
+	// containerId is the ID of the docker container
+	ContainerID string `json:"containerId"`
+
+	ImageTag string `json:"imageTag"`
+
+	CreatedAt string `json:"createdAt"`
+}
+
+var workspaceNameRegex = regexp.MustCompile("^[\\w-]+$")