api: implement logic for all (user and org)/reponame/projects endpoints and crud operations

create endpoints for each operation in the web router and corresponding handler and tested them manually

routers/api/v1/api.go

@@ -91,6 +91,7 @@ import (
 	"code.gitea.io/gitea/routers/api/v1/packages"
 	"code.gitea.io/gitea/routers/api/v1/repo"
 	"code.gitea.io/gitea/routers/api/v1/settings"
+	"code.gitea.io/gitea/routers/api/v1/shared/project"
 	"code.gitea.io/gitea/routers/api/v1/user"
 	"code.gitea.io/gitea/routers/common"
 	"code.gitea.io/gitea/services/actions"
@@ -137,6 +138,7 @@ func sudo() func(ctx *context.APIContext) {
 func repoAssignment() func(ctx *context.APIContext) {
 	return func(ctx *context.APIContext) {
 		userName := ctx.PathParam("username")
+		orgName := ctx.PathParam("org")
 		repoName := ctx.PathParam("reponame")
 
 		var (
@@ -145,6 +147,7 @@ func repoAssignment() func(ctx *context.APIContext) {
 		)
 
 		// Check if the user is the same as the repository owner.
+		if userName != "" {
 			if ctx.IsSigned && ctx.Doer.LowerName == strings.ToLower(userName) {
 				owner = ctx.Doer
 			} else {
@@ -164,6 +167,29 @@ func repoAssignment() func(ctx *context.APIContext) {
 					return
 				}
 			}
+		}
+
+		if orgName != "" {
+			org, err := organization.GetOrgByName(ctx, orgName)
+			if err != nil {
+				if organization.IsErrOrgNotExist(err) {
+					redirectUserID, err := user_model.LookupUserRedirect(ctx, orgName)
+					if err == nil {
+						context.RedirectToUser(ctx.Base, orgName, redirectUserID)
+					} else if user_model.IsErrUserRedirectNotExist(err) {
+						ctx.NotFound()
+					} else {
+						ctx.Error(http.StatusInternalServerError, "LookupUserRedirect", err)
+					}
+				} else {
+					ctx.Error(http.StatusInternalServerError, "GetOrgByName", err)
+				}
+				return
+			}
+			ctx.Org.Organization = org
+			owner = org.AsUser()
+		}
+
 		ctx.Repo.Owner = owner
 		ctx.ContextUser = owner
 
@@ -978,7 +1004,7 @@ func Routes() *web.Router {
 						m.Post("", bind(api.EditProjectColumnOption{}), org.AddColumnToProject)
 						m.Delete("", org.DeleteProject)
 						m.Put("", bind(api.CreateProjectOption{}), org.EditProject)
-						m.Post("/move", org.MoveColumns)
+						m.Post("/move", project.MoveColumns)
 						m.Post("/{action:open|close}", org.ChangeProjectStatus)
 
 						m.Group("/{columnID}", func() {
@@ -998,6 +1024,40 @@ func Routes() *web.Router {
 
 		}, tokenRequiresScopes(auth_model.AccessTokenScopeCategoryUser), reqToken(), context.UserAssignmentAPI())
 
+		// Users (requires user scope)
+		m.Group("users/{username}/{reponame}", func() {
+			m.Group("/projects", func() {
+				m.Group("", func() {
+					m.Get("", repo.GetProjects)
+					m.Get("/{id}", repo.GetProject)
+				}, reqUnitAccess(unit.TypeProjects, perm.AccessModeRead, true))
+
+				m.Group("", func() {
+					m.Post("", bind(api.CreateProjectOption{}), repo.CreateProject)
+					m.Group("/{id}", func() {
+						m.Post("", bind(api.EditProjectColumnOption{}), repo.AddColumnToProject)
+						m.Delete("", repo.DeleteProject)
+						m.Put("", bind(api.CreateProjectOption{}), repo.EditProject)
+						m.Post("/move", project.MoveColumns)
+						m.Post("/{action:open|close}", repo.ChangeProjectStatus)
+
+						m.Group("/{columnID}", func() {
+							m.Put("", bind(api.EditProjectColumnOption{}), repo.EditProjectColumn)
+							m.Delete("", repo.DeleteProjectColumn)
+							m.Post("/default", repo.SetDefaultProjectColumn)
+							m.Post("/move", repo.MoveIssues)
+						})
+					})
+				}, reqUnitAccess(unit.TypeProjects, perm.AccessModeWrite, true), func(ctx *context.APIContext) {
+					if ctx.ContextUser.IsIndividual() && ctx.ContextUser.ID != ctx.Doer.ID {
+						ctx.NotFound("NewProject", nil)
+						return
+					}
+				})
+			}, reqUnitAccess(unit.TypeProjects, perm.AccessModeRead, true), individualPermsChecker)
+
+		}, tokenRequiresScopes(auth_model.AccessTokenScopeCategoryUser, auth_model.AccessTokenScopeCategoryRepository), reqToken(), repoAssignment())
+
 		// Organizations (requires orgs scope)
 		m.Group("orgs/{org}/-", func() {
 			m.Group("/projects", func() {
@@ -1012,7 +1072,7 @@ func Routes() *web.Router {
 						m.Post("", bind(api.EditProjectColumnOption{}), org.AddColumnToProject)
 						m.Delete("", org.DeleteProject)
 						m.Put("", bind(api.CreateProjectOption{}), org.EditProject)
-						m.Post("/move", org.MoveColumns)
+						m.Post("/move", project.MoveColumns)
 						m.Post("/{action:open|close}", org.ChangeProjectStatus)
 
 						m.Group("/{columnID}", func() {
@@ -1032,6 +1092,40 @@ func Routes() *web.Router {
 
 		}, tokenRequiresScopes(auth_model.AccessTokenScopeCategoryOrganization), reqToken(), orgAssignment(true))
 
+		// Organizations (requires orgs scope)
+		m.Group("orgs/{org}/{reponame}", func() {
+			m.Group("/projects", func() {
+				m.Group("", func() {
+					m.Get("", repo.GetProjects)
+					m.Get("/{id}", repo.GetProject)
+				}, reqUnitAccess(unit.TypeProjects, perm.AccessModeRead, true))
+
+				m.Group("", func() {
+					m.Post("", bind(api.CreateProjectOption{}), repo.CreateProject)
+					m.Group("/{id}", func() {
+						m.Post("", bind(api.EditProjectColumnOption{}), repo.AddColumnToProject)
+						m.Delete("", repo.DeleteProject)
+						m.Put("", bind(api.CreateProjectOption{}), repo.EditProject)
+						m.Post("/move", project.MoveColumns)
+						m.Post("/{action:open|close}", repo.ChangeProjectStatus)
+
+						m.Group("/{columnID}", func() {
+							m.Put("", bind(api.EditProjectColumnOption{}), repo.EditProjectColumn)
+							m.Delete("", repo.DeleteProjectColumn)
+							m.Post("/default", repo.SetDefaultProjectColumn)
+							m.Post("/move", repo.MoveIssues)
+						})
+					})
+				}, reqUnitAccess(unit.TypeProjects, perm.AccessModeWrite, true), func(ctx *context.APIContext) {
+					if ctx.ContextUser.IsIndividual() && ctx.ContextUser.ID != ctx.Doer.ID {
+						ctx.NotFound("NewProject", nil)
+						return
+					}
+				})
+			}, reqUnitAccess(unit.TypeProjects, perm.AccessModeRead, true), individualPermsChecker)
+
+		}, tokenRequiresScopes(auth_model.AccessTokenScopeCategoryUser, auth_model.AccessTokenScopeCategoryRepository), reqToken(), repoAssignment())
+
 		// Users (requires user scope)
 		m.Group("/users", func() {
 			m.Group("/{username}", func() {

routers/api/v1/org/project.go

@@ -12,7 +12,6 @@ import (
 	project_model "code.gitea.io/gitea/models/project"
 	attachment_model "code.gitea.io/gitea/models/repo"
 	"code.gitea.io/gitea/modules/optional"
-	"code.gitea.io/gitea/modules/setting"
 	api "code.gitea.io/gitea/modules/structs"
 	"code.gitea.io/gitea/modules/web"
 	"code.gitea.io/gitea/services/context"
@@ -68,16 +67,10 @@ func ChangeProjectStatus(ctx *context.APIContext) {
 
 // Projects renders the home page of projects
 func GetProjects(ctx *context.APIContext) {
-	ctx.Data["Title"] = ctx.Tr("repo.projects")
-
 	sortType := ctx.FormTrim("sort")
 
 	isShowClosed := strings.ToLower(ctx.FormTrim("state")) == "closed"
 	keyword := ctx.FormTrim("q")
-	page := ctx.FormInt("page")
-	if page <= 1 {
-		page = 1
-	}
 
 	var projectType project_model.Type
 	if ctx.ContextUser.IsOrganization() {
@@ -86,10 +79,6 @@ func GetProjects(ctx *context.APIContext) {
 		projectType = project_model.TypeIndividual
 	}
 	projects, err := db.Find[project_model.Project](ctx, project_model.SearchOptions{
-		ListOptions: db.ListOptions{
-			Page:     page,
-			PageSize: setting.UI.IssuePagingNum,
-		},
 		OwnerID:  ctx.ContextUser.ID,
 		IsClosed: optional.Some(isShowClosed),
 		OrderBy:  project_model.GetSearchOrderByBySortType(sortType),
@@ -180,31 +169,31 @@ func GetProject(ctx *context.APIContext) {
 	ctx.JSON(http.StatusOK, data)
 }
 
-// AddColumnToProject adds a new column to a project
+// EditProject updates a project
-func AddColumnToProject(ctx *context.APIContext) {
+func EditProject(ctx *context.APIContext) {
-	project, err := project_model.GetProjectByID(ctx, ctx.PathParamInt64(":id"))
+	form := web.GetForm(ctx).(*api.CreateProjectOption)
+	projectID := ctx.PathParamInt64(":id")
+
+	p, err := project_model.GetProjectByID(ctx, projectID)
 	if err != nil {
 		ctx.NotFoundOrServerError("GetProjectByID", project_model.IsErrProjectNotExist, err)
 		return
 	}
-	if project.OwnerID != ctx.ContextUser.ID {
+	if p.OwnerID != ctx.ContextUser.ID {
 		ctx.NotFound("", nil)
 		return
 	}
 
-	form := web.GetForm(ctx).(*api.EditProjectColumnOption)
+	p.Title = form.Title
-	column := &project_model.Column{
+	p.Description = form.Content
-		ProjectID: project.ID,
+	p.CardType = project_model.CardType(form.CardType)
-		Title:     form.Title,
+
-		Sorting:   form.Sorting,
+	if err = project_model.UpdateProject(ctx, p); err != nil {
-		Color:     form.Color,
+		ctx.ServerError("UpdateProjects", err)
-	}
-	if err := project_model.NewColumn(ctx, column); err != nil {
-		ctx.ServerError("NewProjectColumn", err)
 		return
 	}
 
-	ctx.JSON(http.StatusCreated, column)
+	ctx.JSON(http.StatusOK, p)
 }
 
 // DeleteProject delete a project
@@ -229,71 +218,32 @@ func DeleteProject(ctx *context.APIContext) {
 	ctx.JSON(http.StatusOK, map[string]any{"message": "project deleted successfully"})
 }
 
-// EditProject updates a project
+// AddColumnToProject adds a new column to a project
-func EditProject(ctx *context.APIContext) {
+func AddColumnToProject(ctx *context.APIContext) {
-	form := web.GetForm(ctx).(*api.CreateProjectOption)
-	projectID := ctx.PathParamInt64(":id")
-
-	ctx.Data["CancelLink"] = fmt.Sprintf("%s/-/projects/%d", ctx.ContextUser.HomeLink(), projectID)
-
-	p, err := project_model.GetProjectByID(ctx, projectID)
-	if err != nil {
-		ctx.NotFoundOrServerError("GetProjectByID", project_model.IsErrProjectNotExist, err)
-		return
-	}
-	if p.OwnerID != ctx.ContextUser.ID {
-		ctx.NotFound("", nil)
-		return
-	}
-
-	p.Title = form.Title
-	p.Description = form.Content
-	p.CardType = project_model.CardType(form.CardType)
-
-	if err = project_model.UpdateProject(ctx, p); err != nil {
-		ctx.ServerError("UpdateProjects", err)
-		return
-	}
-
-	ctx.JSON(http.StatusOK, p)
-}
-
-// MoveColumns moves or keeps columns in a project and sorts them inside that project
-func MoveColumns(ctx *context.APIContext) {
 	project, err := project_model.GetProjectByID(ctx, ctx.PathParamInt64(":id"))
 	if err != nil {
 		ctx.NotFoundOrServerError("GetProjectByID", project_model.IsErrProjectNotExist, err)
 		return
 	}
-	if !project.CanBeAccessedByOwnerRepo(ctx.ContextUser.ID, ctx.Repo.Repository) {
+	if project.OwnerID != ctx.ContextUser.ID {
-		ctx.NotFound("CanBeAccessedByOwnerRepo", nil)
+		ctx.NotFound("", nil)
 		return
 	}
 
-	type movedColumnsForm struct {
+	form := web.GetForm(ctx).(*api.EditProjectColumnOption)
-		Columns []struct {
+	column := &project_model.Column{
-			ColumnID int64 `json:"columnID"`
+		ProjectID: project.ID,
-			Sorting  int64 `json:"sorting"`
+		Title:     form.Title,
-		} `json:"columns"`
+		Sorting:   form.Sorting,
+		Color:     form.Color,
+		CreatorID: ctx.Doer.ID,
 	}
-
+	if err := project_model.NewColumn(ctx, column); err != nil {
-	form := &movedColumnsForm{}
+		ctx.ServerError("NewProjectColumn", err)
-	if err = json.NewDecoder(ctx.Req.Body).Decode(&form); err != nil {
-		ctx.ServerError("DecodeMovedColumnsForm", err)
 		return
 	}
 
-	sortedColumnIDs := make(map[int64]int64)
+	ctx.JSON(http.StatusCreated, column)
-	for _, column := range form.Columns {
-		sortedColumnIDs[column.Sorting] = column.ColumnID
-	}
-
-	if err = project_model.MoveColumnsOnProject(ctx, project, sortedColumnIDs); err != nil {
-		ctx.ServerError("MoveColumnsOnProject", err)
-		return
-	}
-
-	ctx.JSON(http.StatusOK, map[string]string{"message": "columns moved successfully"})
 }
 
 // CheckProjectColumnChangePermissions check permission

routers/api/v1/repo/project.go

@@ -0,0 +1,460 @@
+package repo
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+	"strings"
+
+	"code.gitea.io/gitea/models/db"
+	issues_model "code.gitea.io/gitea/models/issues"
+	"code.gitea.io/gitea/models/perm"
+	project_model "code.gitea.io/gitea/models/project"
+	attachment_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/models/unit"
+	"code.gitea.io/gitea/modules/optional"
+	api "code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/modules/web"
+	"code.gitea.io/gitea/services/context"
+)
+
+// CreateProject creates a new project
+func CreateProject(ctx *context.APIContext) {
+	form := web.GetForm(ctx).(*api.CreateProjectOption)
+
+	project := &project_model.Project{
+		RepoID:       ctx.Repo.Repository.ID,
+		Title:        form.Title,
+		Description:  form.Content,
+		CreatorID:    ctx.Doer.ID,
+		TemplateType: project_model.TemplateType(form.TemplateType),
+		CardType:     project_model.CardType(form.CardType),
+		Type:         project_model.TypeRepository,
+	}
+
+	if err := project_model.NewProject(ctx, project); err != nil {
+		ctx.Error(http.StatusInternalServerError, "NewProject", err)
+		return
+	}
+
+	ctx.JSON(http.StatusCreated, project)
+}
+
+// Projects renders the home page of projects
+func GetProjects(ctx *context.APIContext) {
+	sortType := ctx.FormTrim("sort")
+
+	isShowClosed := strings.ToLower(ctx.FormTrim("state")) == "closed"
+	keyword := ctx.FormTrim("q")
+	repo := ctx.Repo.Repository
+
+	projects, err := db.Find[project_model.Project](ctx, project_model.SearchOptions{
+		RepoID:   repo.ID,
+		IsClosed: optional.Some(isShowClosed),
+		OrderBy:  project_model.GetSearchOrderByBySortType(sortType),
+		Type:     project_model.TypeRepository,
+		Title:    keyword,
+	})
+	if err != nil {
+		ctx.ServerError("FindProjects", err)
+		return
+	}
+
+	ctx.JSON(http.StatusOK, projects)
+}
+
+// TODO: Send issues as well
+// GetProject returns a project by ID
+func GetProject(ctx *context.APIContext) {
+	project, err := project_model.GetProjectByID(ctx, ctx.PathParamInt64(":id"))
+	if err != nil {
+		ctx.NotFoundOrServerError("GetProjectByID", project_model.IsErrProjectNotExist, err)
+		return
+	}
+	if project.RepoID != ctx.Repo.Repository.ID {
+		ctx.NotFound("", nil)
+		return
+	}
+
+	columns, err := project.GetColumns(ctx)
+	if err != nil {
+		ctx.ServerError("GetProjectColumns", err)
+		return
+	}
+
+	issuesMap, err := issues_model.LoadIssuesFromColumnList(ctx, columns)
+	if err != nil {
+		ctx.ServerError("LoadIssuesOfColumns", err)
+		return
+	}
+
+	if project.CardType != project_model.CardTypeTextOnly {
+		issuesAttachmentMap := make(map[int64][]*attachment_model.Attachment)
+		for _, issuesList := range issuesMap {
+			for _, issue := range issuesList {
+				if issueAttachment, err := attachment_model.GetAttachmentsByIssueIDImagesLatest(ctx, issue.ID); err == nil {
+					issuesAttachmentMap[issue.ID] = issueAttachment
+				}
+			}
+		}
+		ctx.Data["issuesAttachmentMap"] = issuesAttachmentMap
+	}
+
+	linkedPrsMap := make(map[int64][]*issues_model.Issue)
+	for _, issuesList := range issuesMap {
+		for _, issue := range issuesList {
+			var referencedIDs []int64
+			for _, comment := range issue.Comments {
+				if comment.RefIssueID != 0 && comment.RefIsPull {
+					referencedIDs = append(referencedIDs, comment.RefIssueID)
+				}
+			}
+
+			if len(referencedIDs) > 0 {
+				if linkedPrs, err := issues_model.Issues(ctx, &issues_model.IssuesOptions{
+					IssueIDs: referencedIDs,
+					IsPull:   optional.Some(true),
+				}); err == nil {
+					linkedPrsMap[issue.ID] = linkedPrs
+				}
+			}
+		}
+	}
+
+	issues := make(map[int64][]*issues_model.Issue)
+
+	for _, column := range columns {
+		if empty := issuesMap[column.ID]; len(empty) == 0 {
+			continue
+		}
+		issues[column.ID] = issuesMap[column.ID]
+
+	}
+
+	data := map[string]any{
+		"project": project,
+		"columns": columns,
+	}
+
+	ctx.JSON(http.StatusOK, data)
+}
+
+// EditProject updates a project
+func EditProject(ctx *context.APIContext) {
+	form := web.GetForm(ctx).(*api.CreateProjectOption)
+	projectID := ctx.PathParamInt64(":id")
+
+	p, err := project_model.GetProjectByID(ctx, projectID)
+	if err != nil {
+		ctx.NotFoundOrServerError("GetProjectByID", project_model.IsErrProjectNotExist, err)
+		return
+	}
+	if p.RepoID != ctx.Repo.Repository.ID {
+		ctx.NotFound("", nil)
+		return
+	}
+
+	p.Title = form.Title
+	p.Description = form.Content
+	p.CardType = project_model.CardType(form.CardType)
+
+	if err = project_model.UpdateProject(ctx, p); err != nil {
+		ctx.ServerError("UpdateProjects", err)
+		return
+	}
+
+	ctx.JSON(http.StatusOK, p)
+}
+
+// DeleteProject delete a project
+func DeleteProject(ctx *context.APIContext) {
+	p, err := project_model.GetProjectByID(ctx, ctx.PathParamInt64(":id"))
+	if err != nil {
+		ctx.NotFoundOrServerError("GetProjectByID", project_model.IsErrProjectNotExist, err)
+		return
+	}
+	if p.RepoID != ctx.Repo.Repository.ID {
+		ctx.NotFound("", nil)
+		return
+	}
+
+	err = project_model.DeleteProjectByID(ctx, p.ID)
+
+	if err != nil {
+		ctx.ServerError("DeleteProjectByID", err)
+		return
+	}
+
+	ctx.JSON(http.StatusOK, map[string]any{"message": "project deleted successfully"})
+}
+
+// ChangeProjectStatus updates the status of a project between "open" and "close"
+func ChangeProjectStatus(ctx *context.APIContext) {
+	var toClose bool
+	switch ctx.PathParam(":action") {
+	case "open":
+		toClose = false
+	case "close":
+		toClose = true
+	default:
+		ctx.NotFound("ChangeProjectStatus", nil)
+		return
+	}
+	id := ctx.PathParamInt64(":id")
+
+	if err := project_model.ChangeProjectStatusByRepoIDAndID(ctx, ctx.Repo.Repository.ID, id, toClose); err != nil {
+		ctx.NotFoundOrServerError("ChangeProjectStatusByRepoIDAndID", project_model.IsErrProjectNotExist, err)
+		return
+	}
+	ctx.JSON(http.StatusOK, map[string]any{"message": "project status updated successfully"})
+}
+
+// AddColumnToProject adds a new column to a project
+func AddColumnToProject(ctx *context.APIContext) {
+	if !ctx.Repo.IsOwner() && !ctx.Repo.IsAdmin() && !ctx.Repo.CanAccess(perm.AccessModeWrite, unit.TypeProjects) {
+		ctx.JSON(http.StatusForbidden, map[string]string{
+			"message": "Only authorized users are allowed to perform this action.",
+		})
+		return
+	}
+
+	project, err := project_model.GetProjectForRepoByID(ctx, ctx.Repo.Repository.ID, ctx.PathParamInt64(":id"))
+	if err != nil {
+		ctx.NotFoundOrServerError("GetProjectByID", project_model.IsErrProjectNotExist, err)
+		return
+	}
+
+	form := web.GetForm(ctx).(*api.EditProjectColumnOption)
+	column := &project_model.Column{
+		ProjectID: project.ID,
+		Title:     form.Title,
+		Sorting:   form.Sorting,
+		Color:     form.Color,
+		CreatorID: ctx.Doer.ID,
+	}
+	if err := project_model.NewColumn(ctx, column); err != nil {
+		ctx.ServerError("NewProjectColumn", err)
+		return
+	}
+
+	ctx.JSON(http.StatusCreated, column)
+}
+
+// CheckProjectColumnChangePermissions check permission
+func checkProjectColumnChangePermissions(ctx *context.APIContext) (*project_model.Project, *project_model.Column) {
+	if ctx.Doer == nil {
+		ctx.JSON(http.StatusForbidden, map[string]string{
+			"message": "Only signed in users are allowed to perform this action.",
+		})
+		return nil, nil
+	}
+
+	if !ctx.Repo.IsOwner() && !ctx.Repo.IsAdmin() && !ctx.Repo.CanAccess(perm.AccessModeWrite, unit.TypeProjects) {
+		ctx.JSON(http.StatusForbidden, map[string]string{
+			"message": "Only authorized users are allowed to perform this action.",
+		})
+		return nil, nil
+	}
+
+	project, err := project_model.GetProjectByID(ctx, ctx.PathParamInt64(":id"))
+	if err != nil {
+		ctx.NotFoundOrServerError("GetProjectByID", project_model.IsErrProjectNotExist, err)
+		return nil, nil
+	}
+
+	column, err := project_model.GetColumn(ctx, ctx.PathParamInt64(":columnID"))
+	if err != nil {
+		ctx.ServerError("GetProjectColumn", err)
+		return nil, nil
+	}
+	if column.ProjectID != ctx.PathParamInt64(":id") {
+		ctx.JSON(http.StatusUnprocessableEntity, map[string]string{
+			"message": fmt.Sprintf("ProjectColumn[%d] is not in Project[%d] as expected", column.ID, project.ID),
+		})
+		return nil, nil
+	}
+
+	if project.RepoID != ctx.Repo.Repository.ID {
+		ctx.JSON(http.StatusUnprocessableEntity, map[string]string{
+			"message": fmt.Sprintf("ProjectColumn[%d] is not in Repository[%d] as expected", column.ID, project.ID),
+		})
+		return nil, nil
+	}
+	return project, column
+}
+
+// EditProjectColumn allows a project column's to be updated
+func EditProjectColumn(ctx *context.APIContext) {
+	form := web.GetForm(ctx).(*api.EditProjectColumnOption)
+	_, column := checkProjectColumnChangePermissions(ctx)
+	if ctx.Written() {
+		return
+	}
+
+	if form.Title != "" {
+		column.Title = form.Title
+	}
+	column.Color = form.Color
+	if form.Sorting != 0 {
+		column.Sorting = form.Sorting
+	}
+
+	if err := project_model.UpdateColumn(ctx, column); err != nil {
+		ctx.ServerError("UpdateProjectColumn", err)
+		return
+	}
+
+	ctx.JSON(http.StatusOK, column)
+}
+
+// DeleteProjectColumn allows for the deletion of a project column
+func DeleteProjectColumn(ctx *context.APIContext) {
+	if ctx.Doer == nil {
+		ctx.JSON(http.StatusForbidden, map[string]string{
+			"message": "Only signed in users are allowed to perform this action.",
+		})
+		return
+	}
+
+	if !ctx.Repo.IsOwner() && !ctx.Repo.IsAdmin() && !ctx.Repo.CanAccess(perm.AccessModeWrite, unit.TypeProjects) {
+		ctx.JSON(http.StatusForbidden, map[string]string{
+			"message": "Only authorized users are allowed to perform this action.",
+		})
+		return
+	}
+
+	project, err := project_model.GetProjectByID(ctx, ctx.PathParamInt64(":id"))
+	if err != nil {
+		ctx.NotFoundOrServerError("GetProjectByID", project_model.IsErrProjectNotExist, err)
+		return
+	}
+
+	pb, err := project_model.GetColumn(ctx, ctx.PathParamInt64(":columnID"))
+	if err != nil {
+		ctx.ServerError("GetProjectColumn", err)
+		return
+	}
+	if pb.ProjectID != ctx.PathParamInt64(":id") {
+		ctx.JSON(http.StatusUnprocessableEntity, map[string]string{
+			"message": fmt.Sprintf("ProjectColumn[%d] is not in Project[%d] as expected", pb.ID, project.ID),
+		})
+		return
+	}
+
+	if project.RepoID != ctx.Repo.Repository.ID {
+		ctx.JSON(http.StatusUnprocessableEntity, map[string]string{
+			"message": fmt.Sprintf("ProjectColumn[%d] is not in Owner[%d] as expected", pb.ID, ctx.ContextUser.ID),
+		})
+		return
+	}
+
+	if err := project_model.DeleteColumnByID(ctx, ctx.PathParamInt64(":columnID")); err != nil {
+		ctx.ServerError("DeleteProjectColumnByID", err)
+		return
+	}
+
+	ctx.JSON(http.StatusOK, map[string]string{"message": "column deleted successfully"})
+}
+
+// SetDefaultProjectColumn set default column for uncategorized issues/pulls
+func SetDefaultProjectColumn(ctx *context.APIContext) {
+	project, column := checkProjectColumnChangePermissions(ctx)
+	if ctx.Written() {
+		return
+	}
+
+	if err := project_model.SetDefaultColumn(ctx, project.ID, column.ID); err != nil {
+		ctx.ServerError("SetDefaultColumn", err)
+		return
+	}
+
+	ctx.JSON(http.StatusOK, map[string]string{"message": "default column set successfully"})
+}
+
+// MoveIssues moves or keeps issues in a column and sorts them inside that column
+func MoveIssues(ctx *context.APIContext) {
+	if ctx.Doer == nil {
+		ctx.JSON(http.StatusForbidden, map[string]string{
+			"message": "Only signed in users are allowed to perform this action.",
+		})
+		return
+	}
+
+	if !ctx.Repo.IsOwner() && !ctx.Repo.IsAdmin() && !ctx.Repo.CanAccess(perm.AccessModeWrite, unit.TypeProjects) {
+		ctx.JSON(http.StatusForbidden, map[string]string{
+			"message": "Only authorized users are allowed to perform this action.",
+		})
+		return
+	}
+
+	project, err := project_model.GetProjectByID(ctx, ctx.PathParamInt64(":id"))
+	if err != nil {
+		ctx.NotFoundOrServerError("GetProjectByID", project_model.IsErrProjectNotExist, err)
+		return
+	}
+	if project.RepoID != ctx.Repo.Repository.ID {
+		ctx.NotFound("InvalidRepoID", nil)
+		return
+	}
+
+	column, err := project_model.GetColumn(ctx, ctx.PathParamInt64(":columnID"))
+	if err != nil {
+		ctx.NotFoundOrServerError("GetProjectColumn", project_model.IsErrProjectColumnNotExist, err)
+		return
+	}
+
+	if column.ProjectID != project.ID {
+		ctx.NotFound("ColumnNotInProject", nil)
+		return
+	}
+
+	type movedIssuesForm struct {
+		Issues []struct {
+			IssueID int64 `json:"issueID"`
+			Sorting int64 `json:"sorting"`
+		} `json:"issues"`
+	}
+
+	form := &movedIssuesForm{}
+	if err = json.NewDecoder(ctx.Req.Body).Decode(&form); err != nil {
+		ctx.ServerError("DecodeMovedIssuesForm", err)
+		return
+	}
+
+	issueIDs := make([]int64, 0, len(form.Issues))
+	sortedIssueIDs := make(map[int64]int64)
+	for _, issue := range form.Issues {
+		issueIDs = append(issueIDs, issue.IssueID)
+		sortedIssueIDs[issue.Sorting] = issue.IssueID
+	}
+	movedIssues, err := issues_model.GetIssuesByIDs(ctx, issueIDs)
+	if err != nil {
+		ctx.NotFoundOrServerError("GetIssueByID", issues_model.IsErrIssueNotExist, err)
+		return
+	}
+
+	if len(movedIssues) != len(form.Issues) {
+		ctx.ServerError("some issues do not exist", errors.New("some issues do not exist"))
+		return
+	}
+
+	if _, err = movedIssues.LoadRepositories(ctx); err != nil {
+		ctx.ServerError("LoadRepositories", err)
+		return
+	}
+
+	for _, issue := range movedIssues {
+		if issue.RepoID != project.RepoID && issue.Repo.OwnerID != project.OwnerID {
+			ctx.ServerError("Some issue's repoID is not equal to project's repoID", errors.New("Some issue's repoID is not equal to project's repoID"))
+			return
+		}
+	}
+
+	if err = project_model.MoveIssuesOnProjectColumn(ctx, column, sortedIssueIDs); err != nil {
+		ctx.ServerError("MoveIssuesOnProjectColumn", err)
+		return
+	}
+
+	ctx.JSON(http.StatusOK, map[string]string{"message": "issues moved successfully"})
+}

routers/api/v1/shared/project/project.go

@@ -0,0 +1,47 @@
+package project
+
+import (
+	"encoding/json"
+	"net/http"
+
+	project_model "code.gitea.io/gitea/models/project"
+	"code.gitea.io/gitea/services/context"
+)
+
+// MoveColumns moves or keeps columns in a project and sorts them inside that project
+func MoveColumns(ctx *context.APIContext) {
+	project, err := project_model.GetProjectByID(ctx, ctx.PathParamInt64(":id"))
+	if err != nil {
+		ctx.NotFoundOrServerError("GetProjectByID", project_model.IsErrProjectNotExist, err)
+		return
+	}
+	if !project.CanBeAccessedByOwnerRepo(ctx.ContextUser.ID, ctx.Repo.Repository) {
+		ctx.NotFound("CanBeAccessedByOwnerRepo", nil)
+		return
+	}
+
+	type movedColumnsForm struct {
+		Columns []struct {
+			ColumnID int64 `json:"columnID"`
+			Sorting  int64 `json:"sorting"`
+		} `json:"columns"`
+	}
+
+	form := &movedColumnsForm{}
+	if err = json.NewDecoder(ctx.Req.Body).Decode(&form); err != nil {
+		ctx.ServerError("DecodeMovedColumnsForm", err)
+		return
+	}
+
+	sortedColumnIDs := make(map[int64]int64)
+	for _, column := range form.Columns {
+		sortedColumnIDs[column.Sorting] = column.ColumnID
+	}
+
+	if err = project_model.MoveColumnsOnProject(ctx, project, sortedColumnIDs); err != nil {
+		ctx.ServerError("MoveColumnsOnProject", err)
+		return
+	}
+
+	ctx.JSON(http.StatusOK, map[string]string{"message": "columns moved successfully"})
+}