Refactor server code (#407)

internal/web/handlers/gist/create.go

@@ -0,0 +1,141 @@
+package gist
+
+import (
+	"github.com/google/uuid"
+	"github.com/thomiceli/opengist/internal/db"
+	"github.com/thomiceli/opengist/internal/i18n"
+	"github.com/thomiceli/opengist/internal/validator"
+	"github.com/thomiceli/opengist/internal/web/context"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+func Create(ctx *context.Context) error {
+	ctx.SetData("htmlTitle", ctx.TrH("gist.new.create-a-new-gist"))
+	return ctx.Html("create.html")
+}
+
+func ProcessCreate(ctx *context.Context) error {
+	isCreate := false
+	if ctx.Request().URL.Path == "/" {
+		isCreate = true
+	}
+
+	err := ctx.Request().ParseForm()
+	if err != nil {
+		return ctx.ErrorRes(400, ctx.Tr("error.bad-request"), err)
+	}
+
+	dto := new(db.GistDTO)
+	var gist *db.Gist
+
+	if isCreate {
+		ctx.SetData("htmlTitle", ctx.TrH("gist.new.create-a-new-gist"))
+	} else {
+		gist = ctx.GetData("gist").(*db.Gist)
+		ctx.SetData("htmlTitle", ctx.TrH("gist.edit.edit-gist", gist.Title))
+	}
+
+	if err := ctx.Bind(dto); err != nil {
+		return ctx.ErrorRes(400, ctx.Tr("error.cannot-bind-data"), err)
+	}
+
+	dto.Files = make([]db.FileDTO, 0)
+	fileCounter := 0
+	for i := 0; i < len(ctx.Request().PostForm["content"]); i++ {
+		name := ctx.Request().PostForm["name"][i]
+		content := ctx.Request().PostForm["content"][i]
+
+		if name == "" {
+			fileCounter += 1
+			name = "gistfile" + strconv.Itoa(fileCounter) + ".txt"
+		}
+
+		escapedValue, err := url.QueryUnescape(content)
+		if err != nil {
+			return ctx.ErrorRes(400, ctx.Tr("error.invalid-character-unescaped"), err)
+		}
+
+		dto.Files = append(dto.Files, db.FileDTO{
+			Filename: strings.Trim(name, " "),
+			Content:  escapedValue,
+		})
+	}
+
+	err = ctx.Validate(dto)
+	if err != nil {
+		ctx.AddFlash(validator.ValidationMessages(&err, ctx.GetData("locale").(*i18n.Locale)), "error")
+		if isCreate {
+			return ctx.Html("create.html")
+		} else {
+			files, err := gist.Files("HEAD", false)
+			if err != nil {
+				return ctx.ErrorRes(500, "Error fetching files", err)
+			}
+			ctx.SetData("files", files)
+			return ctx.Html("edit.html")
+		}
+	}
+
+	if isCreate {
+		gist = dto.ToGist()
+	} else {
+		gist = dto.ToExistingGist(gist)
+	}
+
+	user := ctx.User
+	gist.NbFiles = len(dto.Files)
+
+	if isCreate {
+		uuidGist, err := uuid.NewRandom()
+		if err != nil {
+			return ctx.ErrorRes(500, "Error creating an UUID", err)
+		}
+		gist.Uuid = strings.Replace(uuidGist.String(), "-", "", -1)
+
+		gist.UserID = user.ID
+		gist.User = *user
+	}
+
+	if gist.Title == "" {
+		if ctx.Request().PostForm["name"][0] == "" {
+			gist.Title = "gist:" + gist.Uuid
+		} else {
+			gist.Title = ctx.Request().PostForm["name"][0]
+		}
+	}
+
+	if len(dto.Files) > 0 {
+		split := strings.Split(dto.Files[0].Content, "\n")
+		if len(split) > 10 {
+			gist.Preview = strings.Join(split[:10], "\n")
+		} else {
+			gist.Preview = dto.Files[0].Content
+		}
+
+		gist.PreviewFilename = dto.Files[0].Filename
+	}
+
+	if err = gist.InitRepository(); err != nil {
+		return ctx.ErrorRes(500, "Error creating the repository", err)
+	}
+
+	if err = gist.AddAndCommitFiles(&dto.Files); err != nil {
+		return ctx.ErrorRes(500, "Error adding and committing files", err)
+	}
+
+	if isCreate {
+		if err = gist.Create(); err != nil {
+			return ctx.ErrorRes(500, "Error creating the gist", err)
+		}
+	} else {
+		if err = gist.Update(); err != nil {
+			return ctx.ErrorRes(500, "Error updating the gist", err)
+		}
+	}
+
+	gist.AddInIndex()
+
+	return ctx.RedirectTo("/" + user.Username + "/" + gist.Identifier())
+}