commit 11cefc0d35a829c350e1d3e199c467cf97e96965
Author: Jasper Levin Spahl <j.spahl@dymatrix.de>
Date:   Fri Jan 21 16:47:06 2022 +0100

    initial commit

diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..d3f269d
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module dymatrix.de/jspahl/todo
+
+go 1.15
+
+require github.com/gin-gonic/gin v1.7.7
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..5ee9be1
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,54 @@
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diff --git a/internal/Server/routes.go b/internal/Server/routes.go
new file mode 100644
index 0000000..e5d05a1
--- /dev/null
+++ b/internal/Server/routes.go
@@ -0,0 +1,19 @@
+package server
+
+import (
+	"dymatrix.de/jspahl/todo/internal/api"
+	"github.com/gin-gonic/gin"
+)
+
+func registerRoutes(router *gin.Engine) {
+	router.RedirectTrailingSlash = true
+
+	memory := router.Group("/memory")
+	{
+		api.RegisterRoutes(memory)
+	}
+	sql := router.Group("/sql")
+	{
+		api.RegisterRoutes(sql)
+	}
+}
diff --git a/internal/Server/server.go b/internal/Server/server.go
new file mode 100644
index 0000000..44d2bd0
--- /dev/null
+++ b/internal/Server/server.go
@@ -0,0 +1,32 @@
+package server
+
+import (
+	"fmt"
+	"net/http"
+
+	"dymatrix.de/jspahl/todo/internal/config"
+
+	"github.com/gin-gonic/gin"
+)
+
+var httpServer *http.Server
+var httpRouter *gin.Engine
+
+func Setup() {
+	httpRouter = gin.New()
+
+	httpRouter.Use(gin.Logger())
+	registerRoutes(httpRouter)
+}
+
+func ListenAndServe() error {
+	var err error = nil
+	for err == nil || err == http.ErrServerClosed {
+		c := config.GetConfig()
+		httpServer = &http.Server{
+			Handler: httpRouter,
+			Addr:    fmt.Sprintf("%s:%d", c.Listen.Host, c.Listen.Port),
+		}
+	}
+	return err
+}
diff --git a/internal/api/api.go b/internal/api/api.go
new file mode 100644
index 0000000..9a092ed
--- /dev/null
+++ b/internal/api/api.go
@@ -0,0 +1,7 @@
+package api
+
+import "github.com/gin-gonic/gin"
+
+func RegisterRoutes(router *gin.RouterGroup) {
+
+}
diff --git a/internal/config/config.go b/internal/config/config.go
new file mode 100644
index 0000000..fd0137a
--- /dev/null
+++ b/internal/config/config.go
@@ -0,0 +1,24 @@
+package config
+
+type ListenConfig struct {
+	Host string
+	Port int
+}
+type Config struct {
+	Listen ListenConfig
+}
+
+var conf *Config = DefaultConfig()
+
+func GetConfig() *Config {
+	return conf
+}
+
+func DefaultConfig() *Config {
+	return &Config{
+		Listen: ListenConfig{
+			Host: "0.0.0.0",
+			Port: 8080,
+		},
+	}
+}
diff --git a/internal/implementations/MemoryProvider.go b/internal/implementations/MemoryProvider.go
new file mode 100644
index 0000000..1db25ac
--- /dev/null
+++ b/internal/implementations/MemoryProvider.go
@@ -0,0 +1,47 @@
+package implementations
+
+import (
+	"errors"
+
+	"dymatrix.de/jspahl/todo/internal/interfaces"
+)
+
+type Item struct {
+	id      int
+	message string
+	deleted bool
+}
+
+type User struct {
+	id int
+}
+
+type MemoryProvider struct {
+	index        int
+	items        []Item
+	itemsByUsers [][]*Item
+}
+
+func (prov MemoryProvider) CreateItem(item interfaces.IItem) error {
+	storedItem := Item{id: item.GetId(), message: item.GetMessage(), deleted: false}
+	prov.items = append(prov.items, storedItem)
+	return nil
+}
+
+func (prov MemoryProvider) UpdateItem(item interfaces.IItem) error {
+	storedItem, err := prov.GetItemPtr(item.GetId())
+	if err != nil {
+		return err
+	}
+	storedItem.message = item.GetMessage()
+	return nil
+}
+
+func (prov MemoryProvider) GetItemPtr(id int) (*Item, error) {
+	for i, item := range prov.items {
+		if item.id == id && !item.deleted {
+			return &prov.items[i], nil
+		}
+	}
+	return nil, errors.New("Item not found")
+}
diff --git a/internal/interfaces/IItem.go b/internal/interfaces/IItem.go
new file mode 100644
index 0000000..ff14ec2
--- /dev/null
+++ b/internal/interfaces/IItem.go
@@ -0,0 +1,6 @@
+package interfaces
+
+type IItem interface {
+	GetId() int
+	GetMessage() string
+}
diff --git a/internal/interfaces/IPersistentProvider.go b/internal/interfaces/IPersistentProvider.go
new file mode 100644
index 0000000..32c7160
--- /dev/null
+++ b/internal/interfaces/IPersistentProvider.go
@@ -0,0 +1,9 @@
+package interfaces
+
+type IPersitenceProvider interface {
+	CreateItem(item IItem) error
+	UpdateItem(item IItem) error
+	GetItem(id int) (IItem, error)
+	GetItemByUser(user IUser) ([]IItem, error)
+	Link(user IUser, item IItem) error
+}
diff --git a/internal/interfaces/IUser.go b/internal/interfaces/IUser.go
new file mode 100644
index 0000000..2ee8a87
--- /dev/null
+++ b/internal/interfaces/IUser.go
@@ -0,0 +1,5 @@
+package interfaces
+
+type IUser interface {
+	GetId() int
+}
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..630baa2
--- /dev/null
+++ b/main.go
@@ -0,0 +1,97 @@
+package main
+
+import (
+	"errors"
+	"log"
+
+	"dymatrix.de/jspahl/todo/internal/server"
+
+	"github.com/gin-gonic/gin"
+)
+
+type ItemDTO struct {
+	id      int
+	message string
+}
+
+func (prov MemoryProvider) UpdateItem(item Item) error {
+	storedItem, err := prov.GetItemPtr(item.id)
+	if err != nil {
+		return err
+	}
+	storedItem.message = item.message
+	return nil
+}
+func (prov MemoryProvider) GetItemPtr(id int) (*Item, error) {
+	for i, item := range prov.items {
+		if item.id == id && !item.deleted {
+			return &prov.items[i], nil
+		}
+	}
+	return nil, errors.New("Item not found")
+
+}
+func (prov MemoryProvider) GetItem(id int) (Item, error) {
+	item, err := prov.GetItemPtr(id)
+	return *item, err
+
+}
+func (prov MemoryProvider) GetItemByUser(user User) ([]Item, error) {
+	var items []Item
+	for i := range prov.itemsByUsers[user.id] {
+		items = append(items, *prov.itemsByUsers[user.id][i])
+	}
+	if len(items) == 0 {
+		return items, errors.New("no items for user " + user.toString())
+	}
+	return items, nil
+}
+func (prov MemoryProvider) GetAllItems() []Item {
+	var items []Item
+	for _, item := range prov.items {
+		if !item.deleted {
+			items = append(items, item)
+		}
+	}
+	return items
+}
+
+func (prov MemoryProvider) Link(user User, item Item) error {
+	storedItem, err := prov.GetItemPtr(item.id)
+	if err != nil {
+		return err
+	}
+	prov.itemsByUsers[user.id] = append(prov.itemsByUsers[user.id], storedItem)
+	return nil
+}
+
+//func main() {
+//	var prov = MemoryProvider{}
+//	rItems := router.Group("/item")
+//	{
+//		rItems.GET("/:id", func(c *gin.Context) {
+//			id, err := strconv.Atoi(c.Param("id"))
+//			if err != nil {
+//				c.String(http.StatusNotFound, err.Error())
+//			}
+//			item, err := prov.GetItem(id)
+//			if err != nil {
+//				c.String(http.StatusNotFound, err.Error())
+//			}
+//			c.JSON(http.StatusOK, item.toDto())
+//		})
+//		rItems.POST("/", func(c *gin.Context) {
+//
+//		})
+//	}
+//	router.Run()
+//
+//}
+
+func main() {
+	gin.SetMode(gin.ReleaseMode)
+
+	server.Setup()
+	err := server.ListenAndServe()
+	log.Fatalf("http: webserver closed unexpected: %s", err)
+}