commit 3669ea6eb7b8e6c720c4b9733f433b2559beb616 Author: ptillemans Date: Sun Sep 3 02:12:43 2023 +0200 initial commit diff --git a/.air.toml b/.air.toml new file mode 100644 index 0000000..ad439e1 --- /dev/null +++ b/.air.toml @@ -0,0 +1,44 @@ +root = "." +testdata_dir = "testdata" +tmp_dir = "tmp" + +[build] + args_bin = [] + bin = "./tmp/main" + cmd = "go build -o ./tmp/main ." + delay = 0 + exclude_dir = ["assets", "tmp", "vendor", "testdata"] + exclude_file = [] + exclude_regex = ["_test.go"] + exclude_unchanged = false + follow_symlink = false + full_bin = "" + include_dir = [] + include_ext = ["go", "tpl", "tmpl", "html"] + include_file = [] + kill_delay = "0s" + log = "build-errors.log" + poll = false + poll_interval = 0 + rerun = false + rerun_delay = 500 + send_interrupt = false + stop_on_error = false + +[color] + app = "" + build = "yellow" + main = "magenta" + runner = "green" + watcher = "cyan" + +[log] + main_only = false + time = false + +[misc] + clean_on_exit = false + +[screen] + clear_on_rebuild = false + keep_scroll = true diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..a9a5aec --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +tmp diff --git a/README.md b/README.md new file mode 100644 index 0000000..0aefd19 --- /dev/null +++ b/README.md @@ -0,0 +1,16 @@ +# Todo App with GO and HTMX + +## Plan + +- [x] create Go webserver +- [x] create landing page +- [x] import HTMX code +- [x] display todo list +- [ ] add tailwind CSS +- [ ] show todo list +- [ ] let todos be marked completed +- [ ] remove todos +- [ ] add new todo with form +- [ ] persist todos in redis +- [ ] spruce up + diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..3d6f439 --- /dev/null +++ b/go.mod @@ -0,0 +1,10 @@ +module snamellit.com/play/todo + +go 1.21.0 + +require github.com/redis/go-redis/v9 v9.1.0 + +require ( + github.com/cespare/xxhash/v2 v2.2.0 // indirect + github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..7410cbf --- /dev/null +++ b/go.sum @@ -0,0 +1,10 @@ +github.com/bsm/ginkgo/v2 v2.9.5 h1:rtVBYPs3+TC5iLUVOis1B9tjLTup7Cj5IfzosKtvTJ0= +github.com/bsm/ginkgo/v2 v2.9.5/go.mod h1:SwYbGRRDovPVboqFv0tPTcG1sN61LM1Z4ARdbAV9g4c= +github.com/bsm/gomega v1.26.0 h1:LhQm+AFcgV2M0WyKroMASzAzCAJVpAxQXv4SaI9a69Y= +github.com/bsm/gomega v1.26.0/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0= +github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44= +github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78= +github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc= +github.com/redis/go-redis/v9 v9.1.0 h1:137FnGdk+EQdCbye1FW+qOEcY5S+SpY9T0NiuqvtfMY= +github.com/redis/go-redis/v9 v9.1.0/go.mod h1:urWj3He21Dj5k4TK1y59xH8Uj6ATueP8AH1cY3lZl4c= diff --git a/input.css b/input.css new file mode 100644 index 0000000..b5c61c9 --- /dev/null +++ b/input.css @@ -0,0 +1,3 @@ +@tailwind base; +@tailwind components; +@tailwind utilities; diff --git a/main.go b/main.go new file mode 100644 index 0000000..a7714d5 --- /dev/null +++ b/main.go @@ -0,0 +1,141 @@ +package main + +import ( + "context" + "fmt" + "github.com/redis/go-redis/v9" + "log" + "encoding/json" + "net/http" + "html/template" + "strconv" +) + +type todo struct { + Id int + Title string + Completed bool +} +var maxId int = 0 + +var ctx = context.Background() +var rdb = redis.NewClient(&redis.Options{ + Addr: "localhost:6379", + Password: "", // no password set + DB: 0, // use default DB +}) + +func GetTodos() []todo { + var cursor uint64 = 0 + todosJson, cursor, err := rdb.Scan(ctx, cursor, "todo:*", 20).Result() + if err != nil { + panic(err) + } + var todos []todo = make([]todo, len(todosJson)) + for idx, todoJson := range todosJson { + todoJson := rdb.Get(ctx, todoJson).Val() + fmt.Println("Todo: %s", todoJson) + err = json.Unmarshal([]byte(todoJson), &todos[idx]) + if err != nil { + panic(err) + } + if todos[idx].Id > maxId { + maxId = todos[idx].Id + } + } + return todos +} + +func GetTodoById(id int) todo { + todoJson, err := rdb.Get(ctx, fmt.Sprintf("todo:%d", id)).Result() + if err != nil { + panic(err) + } + + var todo todo + err = json.Unmarshal([]byte(todoJson), &todo) + if err != nil { + panic(err) + } + return todo +} + +func SetTodo(todo todo) { + todoJson, err := json.Marshal(todo) + if err != nil { + panic(err) + } + key := fmt.Sprintf("todo:%d", todo.Id) + err = rdb.Set(ctx, key, string(todoJson), 0).Err() + if err != nil { + panic(err) + } + fmt.Println("Set todo: %s", todoJson) +} + +func DeleteTodoById(id int) { + err := rdb.Del(ctx, fmt.Sprintf("todo:%d", id)).Err() + if err != nil { + panic(err) + } +} + +func IndexHandler(w http.ResponseWriter, r *http.Request) { + t, _ := template.ParseFiles("templates/index.html") + t.Execute(w, nil) +} + +func TodosHandler(w http.ResponseWriter, r *http.Request) { + if r.Method == "POST" { + r.ParseForm() + todoTitle := r.Form.Get("title") + SetTodo(todo{Id: maxId + 1, Title: todoTitle, Completed: false}) + } + todos := GetTodos() + t, _ := template.ParseFiles("templates/todos.html") + t.Execute(w, todos) +} + +func ToggleTodoHandler(w http.ResponseWriter, r *http.Request) { + todoId, err := strconv.Atoi(r.URL.Path) + if err != nil { + panic(err) + } + fmt.Println("Todo Id: %d", todoId) + todo := GetTodoById(todoId) + todo.Completed = !todo.Completed + SetTodo(todo) + TodosHandler(w, r) + return +} + +func TodoHandler(w http.ResponseWriter, r *http.Request) { + if r.Method != "DELETE" { + w.WriteHeader(http.StatusMethodNotAllowed) + fmt.Fprintf(w, "Method %s not allowed", r.Method) + return + } + todoId, err := strconv.Atoi(r.URL.Path) + if err != nil { + panic(err) + } + fmt.Println("Todo Id: %d", todoId) + DeleteTodoById(todoId) + TodosHandler(w, r) + return +} + + +func main() { + fmt.Println("Starting web server on port 8080") + fs := http.FileServer(http.Dir("./static")) + http.Handle("/static/", http.StripPrefix("/static/", fs)) + http.HandleFunc("/", IndexHandler) + http.HandleFunc("/todos", TodosHandler) + togglePath := "/toggle-todo/" + http.Handle(togglePath, http.StripPrefix(togglePath, http.HandlerFunc(ToggleTodoHandler))) + todoPath := "/todo/" + http.Handle(todoPath, http.StripPrefix(todoPath, http.HandlerFunc(TodoHandler))) + + log.Fatal(http.ListenAndServe(":8080", nil)) +} diff --git a/static/output.css b/static/output.css new file mode 100644 index 0000000..466b8a7 --- /dev/null +++ b/static/output.css @@ -0,0 +1,629 @@ +/* +! tailwindcss v3.3.3 | MIT License | https://tailwindcss.com +*/ + +/* +1. Prevent padding and border from affecting element width. (https://github.com/mozdevs/cssremedy/issues/4) +2. Allow adding a border to an element by just adding a border-width. (https://github.com/tailwindcss/tailwindcss/pull/116) +*/ + +*, +::before, +::after { + box-sizing: border-box; + /* 1 */ + border-width: 0; + /* 2 */ + border-style: solid; + /* 2 */ + border-color: #e5e7eb; + /* 2 */ +} + +::before, +::after { + --tw-content: ''; +} + +/* +1. Use a consistent sensible line-height in all browsers. +2. Prevent adjustments of font size after orientation changes in iOS. +3. Use a more readable tab size. +4. Use the user's configured `sans` font-family by default. +5. Use the user's configured `sans` font-feature-settings by default. +6. Use the user's configured `sans` font-variation-settings by default. +*/ + +html { + line-height: 1.5; + /* 1 */ + -webkit-text-size-adjust: 100%; + /* 2 */ + -moz-tab-size: 4; + /* 3 */ + -o-tab-size: 4; + tab-size: 4; + /* 3 */ + font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; + /* 4 */ + font-feature-settings: normal; + /* 5 */ + font-variation-settings: normal; + /* 6 */ +} + +/* +1. Remove the margin in all browsers. +2. Inherit line-height from `html` so users can set them as a class directly on the `html` element. +*/ + +body { + margin: 0; + /* 1 */ + line-height: inherit; + /* 2 */ +} + +/* +1. Add the correct height in Firefox. +2. Correct the inheritance of border color in Firefox. (https://bugzilla.mozilla.org/show_bug.cgi?id=190655) +3. Ensure horizontal rules are visible by default. +*/ + +hr { + height: 0; + /* 1 */ + color: inherit; + /* 2 */ + border-top-width: 1px; + /* 3 */ +} + +/* +Add the correct text decoration in Chrome, Edge, and Safari. +*/ + +abbr:where([title]) { + -webkit-text-decoration: underline dotted; + text-decoration: underline dotted; +} + +/* +Remove the default font size and weight for headings. +*/ + +h1, +h2, +h3, +h4, +h5, +h6 { + font-size: inherit; + font-weight: inherit; +} + +/* +Reset links to optimize for opt-in styling instead of opt-out. +*/ + +a { + color: inherit; + text-decoration: inherit; +} + +/* +Add the correct font weight in Edge and Safari. +*/ + +b, +strong { + font-weight: bolder; +} + +/* +1. Use the user's configured `mono` font family by default. +2. Correct the odd `em` font sizing in all browsers. +*/ + +code, +kbd, +samp, +pre { + font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; + /* 1 */ + font-size: 1em; + /* 2 */ +} + +/* +Add the correct font size in all browsers. +*/ + +small { + font-size: 80%; +} + +/* +Prevent `sub` and `sup` elements from affecting the line height in all browsers. +*/ + +sub, +sup { + font-size: 75%; + line-height: 0; + position: relative; + vertical-align: baseline; +} + +sub { + bottom: -0.25em; +} + +sup { + top: -0.5em; +} + +/* +1. Remove text indentation from table contents in Chrome and Safari. (https://bugs.chromium.org/p/chromium/issues/detail?id=999088, https://bugs.webkit.org/show_bug.cgi?id=201297) +2. Correct table border color inheritance in all Chrome and Safari. (https://bugs.chromium.org/p/chromium/issues/detail?id=935729, https://bugs.webkit.org/show_bug.cgi?id=195016) +3. Remove gaps between table borders by default. +*/ + +table { + text-indent: 0; + /* 1 */ + border-color: inherit; + /* 2 */ + border-collapse: collapse; + /* 3 */ +} + +/* +1. Change the font styles in all browsers. +2. Remove the margin in Firefox and Safari. +3. Remove default padding in all browsers. +*/ + +button, +input, +optgroup, +select, +textarea { + font-family: inherit; + /* 1 */ + font-feature-settings: inherit; + /* 1 */ + font-variation-settings: inherit; + /* 1 */ + font-size: 100%; + /* 1 */ + font-weight: inherit; + /* 1 */ + line-height: inherit; + /* 1 */ + color: inherit; + /* 1 */ + margin: 0; + /* 2 */ + padding: 0; + /* 3 */ +} + +/* +Remove the inheritance of text transform in Edge and Firefox. +*/ + +button, +select { + text-transform: none; +} + +/* +1. Correct the inability to style clickable types in iOS and Safari. +2. Remove default button styles. +*/ + +button, +[type='button'], +[type='reset'], +[type='submit'] { + -webkit-appearance: button; + /* 1 */ + background-color: transparent; + /* 2 */ + background-image: none; + /* 2 */ +} + +/* +Use the modern Firefox focus style for all focusable elements. +*/ + +:-moz-focusring { + outline: auto; +} + +/* +Remove the additional `:invalid` styles in Firefox. (https://github.com/mozilla/gecko-dev/blob/2f9eacd9d3d995c937b4251a5557d95d494c9be1/layout/style/res/forms.css#L728-L737) +*/ + +:-moz-ui-invalid { + box-shadow: none; +} + +/* +Add the correct vertical alignment in Chrome and Firefox. +*/ + +progress { + vertical-align: baseline; +} + +/* +Correct the cursor style of increment and decrement buttons in Safari. +*/ + +::-webkit-inner-spin-button, +::-webkit-outer-spin-button { + height: auto; +} + +/* +1. Correct the odd appearance in Chrome and Safari. +2. Correct the outline style in Safari. +*/ + +[type='search'] { + -webkit-appearance: textfield; + /* 1 */ + outline-offset: -2px; + /* 2 */ +} + +/* +Remove the inner padding in Chrome and Safari on macOS. +*/ + +::-webkit-search-decoration { + -webkit-appearance: none; +} + +/* +1. Correct the inability to style clickable types in iOS and Safari. +2. Change font properties to `inherit` in Safari. +*/ + +::-webkit-file-upload-button { + -webkit-appearance: button; + /* 1 */ + font: inherit; + /* 2 */ +} + +/* +Add the correct display in Chrome and Safari. +*/ + +summary { + display: list-item; +} + +/* +Removes the default spacing and border for appropriate elements. +*/ + +blockquote, +dl, +dd, +h1, +h2, +h3, +h4, +h5, +h6, +hr, +figure, +p, +pre { + margin: 0; +} + +fieldset { + margin: 0; + padding: 0; +} + +legend { + padding: 0; +} + +ol, +ul, +menu { + list-style: none; + margin: 0; + padding: 0; +} + +/* +Reset default styling for dialogs. +*/ + +dialog { + padding: 0; +} + +/* +Prevent resizing textareas horizontally by default. +*/ + +textarea { + resize: vertical; +} + +/* +1. Reset the default placeholder opacity in Firefox. (https://github.com/tailwindlabs/tailwindcss/issues/3300) +2. Set the default placeholder color to the user's configured gray 400 color. +*/ + +input::-moz-placeholder, textarea::-moz-placeholder { + opacity: 1; + /* 1 */ + color: #9ca3af; + /* 2 */ +} + +input::placeholder, +textarea::placeholder { + opacity: 1; + /* 1 */ + color: #9ca3af; + /* 2 */ +} + +/* +Set the default cursor for buttons. +*/ + +button, +[role="button"] { + cursor: pointer; +} + +/* +Make sure disabled buttons don't get the pointer cursor. +*/ + +:disabled { + cursor: default; +} + +/* +1. Make replaced elements `display: block` by default. (https://github.com/mozdevs/cssremedy/issues/14) +2. Add `vertical-align: middle` to align replaced elements more sensibly by default. (https://github.com/jensimmons/cssremedy/issues/14#issuecomment-634934210) + This can trigger a poorly considered lint error in some tools but is included by design. +*/ + +img, +svg, +video, +canvas, +audio, +iframe, +embed, +object { + display: block; + /* 1 */ + vertical-align: middle; + /* 2 */ +} + +/* +Constrain images and videos to the parent width and preserve their intrinsic aspect ratio. (https://github.com/mozdevs/cssremedy/issues/14) +*/ + +img, +video { + max-width: 100%; + height: auto; +} + +/* Make elements with the HTML hidden attribute stay hidden by default */ + +[hidden] { + display: none; +} + +*, ::before, ::after { + --tw-border-spacing-x: 0; + --tw-border-spacing-y: 0; + --tw-translate-x: 0; + --tw-translate-y: 0; + --tw-rotate: 0; + --tw-skew-x: 0; + --tw-skew-y: 0; + --tw-scale-x: 1; + --tw-scale-y: 1; + --tw-pan-x: ; + --tw-pan-y: ; + --tw-pinch-zoom: ; + --tw-scroll-snap-strictness: proximity; + --tw-gradient-from-position: ; + --tw-gradient-via-position: ; + --tw-gradient-to-position: ; + --tw-ordinal: ; + --tw-slashed-zero: ; + --tw-numeric-figure: ; + --tw-numeric-spacing: ; + --tw-numeric-fraction: ; + --tw-ring-inset: ; + --tw-ring-offset-width: 0px; + --tw-ring-offset-color: #fff; + --tw-ring-color: rgb(59 130 246 / 0.5); + --tw-ring-offset-shadow: 0 0 #0000; + --tw-ring-shadow: 0 0 #0000; + --tw-shadow: 0 0 #0000; + --tw-shadow-colored: 0 0 #0000; + --tw-blur: ; + --tw-brightness: ; + --tw-contrast: ; + --tw-grayscale: ; + --tw-hue-rotate: ; + --tw-invert: ; + --tw-saturate: ; + --tw-sepia: ; + --tw-drop-shadow: ; + --tw-backdrop-blur: ; + --tw-backdrop-brightness: ; + --tw-backdrop-contrast: ; + --tw-backdrop-grayscale: ; + --tw-backdrop-hue-rotate: ; + --tw-backdrop-invert: ; + --tw-backdrop-opacity: ; + --tw-backdrop-saturate: ; + --tw-backdrop-sepia: ; +} + +::backdrop { + --tw-border-spacing-x: 0; + --tw-border-spacing-y: 0; + --tw-translate-x: 0; + --tw-translate-y: 0; + --tw-rotate: 0; + --tw-skew-x: 0; + --tw-skew-y: 0; + --tw-scale-x: 1; + --tw-scale-y: 1; + --tw-pan-x: ; + --tw-pan-y: ; + --tw-pinch-zoom: ; + --tw-scroll-snap-strictness: proximity; + --tw-gradient-from-position: ; + --tw-gradient-via-position: ; + --tw-gradient-to-position: ; + --tw-ordinal: ; + --tw-slashed-zero: ; + --tw-numeric-figure: ; + --tw-numeric-spacing: ; + --tw-numeric-fraction: ; + --tw-ring-inset: ; + --tw-ring-offset-width: 0px; + --tw-ring-offset-color: #fff; + --tw-ring-color: rgb(59 130 246 / 0.5); + --tw-ring-offset-shadow: 0 0 #0000; + --tw-ring-shadow: 0 0 #0000; + --tw-shadow: 0 0 #0000; + --tw-shadow-colored: 0 0 #0000; + --tw-blur: ; + --tw-brightness: ; + --tw-contrast: ; + --tw-grayscale: ; + --tw-hue-rotate: ; + --tw-invert: ; + --tw-saturate: ; + --tw-sepia: ; + --tw-drop-shadow: ; + --tw-backdrop-blur: ; + --tw-backdrop-brightness: ; + --tw-backdrop-contrast: ; + --tw-backdrop-grayscale: ; + --tw-backdrop-hue-rotate: ; + --tw-backdrop-invert: ; + --tw-backdrop-opacity: ; + --tw-backdrop-saturate: ; + --tw-backdrop-sepia: ; +} + +.block { + display: block; +} + +.flex { + display: flex; +} + +.grid { + display: grid; +} + +.grow { + flex-grow: 1; +} + +.grid-cols-1 { + grid-template-columns: repeat(1, minmax(0, 1fr)); +} + +.flex-row { + flex-direction: row; +} + +.gap-2 { + gap: 0.5rem; +} + +.space-x-4 > :not([hidden]) ~ :not([hidden]) { + --tw-space-x-reverse: 0; + margin-right: calc(1rem * var(--tw-space-x-reverse)); + margin-left: calc(1rem * calc(1 - var(--tw-space-x-reverse))); +} + +.rounded { + border-radius: 0.25rem; +} + +.rounded-xl { + border-radius: 0.75rem; +} + +.bg-slate-100 { + --tw-bg-opacity: 1; + background-color: rgb(241 245 249 / var(--tw-bg-opacity)); +} + +.bg-slate-200 { + --tw-bg-opacity: 1; + background-color: rgb(226 232 240 / var(--tw-bg-opacity)); +} + +.bg-red-500 { + --tw-bg-opacity: 1; + background-color: rgb(239 68 68 / var(--tw-bg-opacity)); +} + +.bg-sky-500 { + --tw-bg-opacity: 1; + background-color: rgb(14 165 233 / var(--tw-bg-opacity)); +} + +.p-4 { + padding: 1rem; +} + +.p-8 { + padding: 2rem; +} + +.text-2xl { + font-size: 1.5rem; + line-height: 2rem; +} + +.text-3xl { + font-size: 1.875rem; + line-height: 2.25rem; +} + +.font-bold { + font-weight: 700; +} + +.underline { + text-decoration-line: underline; +} + +.shadow-lg { + --tw-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); + --tw-shadow-colored: 0 10px 15px -3px var(--tw-shadow-color), 0 4px 6px -4px var(--tw-shadow-color); + box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow); +} diff --git a/tailwind.config.js b/tailwind.config.js new file mode 100644 index 0000000..d87fe64 --- /dev/null +++ b/tailwind.config.js @@ -0,0 +1,9 @@ +/** @type {import('tailwindcss').Config} */ +module.exports = { + content: ["./templates/*.html"], + theme: { + extend: {}, + }, + plugins: [], +} + diff --git a/templates/index.html b/templates/index.html new file mode 100644 index 0000000..dc4a1c0 --- /dev/null +++ b/templates/index.html @@ -0,0 +1,21 @@ + + + ToDo Application + + + + +

ToDo Application

+ +
+

Tasks

+ +
+
+ +
+ + diff --git a/templates/todos.html b/templates/todos.html new file mode 100644 index 0000000..0e2b297 --- /dev/null +++ b/templates/todos.html @@ -0,0 +1,21 @@ +