subreddit: implemented add page

api/reddit/check_subreddit.go

@@ -49,6 +49,17 @@ func (reddit *Reddit) CheckSubreddit(ctx context.Context, params CheckSubredditP
 		return actual, errs.Wrapw(err, msg, "url", url, "params", params).Code(http.StatusNotFound)
 	}
 
+	if resp.StatusCode == http.StatusForbidden {
+		var msg string
+		if params.SubredditType == SubredditTypeUser {
+			msg = "user has set their profile to private"
+		}
+		if params.SubredditType == SubredditTypeSub {
+			msg = "subreddit is private"
+		}
+		return actual, errs.Wrapw(err, msg, "url", url, "params", params).Code(http.StatusForbidden)
+	}
+
 	if params.SubredditType == SubredditTypeUser && resp.StatusCode == http.StatusOK {
 		return params.Subreddit, nil
 	}

server/routes/routes.go

@@ -58,6 +58,7 @@ func (routes *Routes) registerHTMXRoutes(router chi.Router) {
 	router.Use(chimiddleware.RequestLogger(middleware.ChiLogger{}))
 	router.Use(chimiddleware.SetHeader("Content-Type", "text/html; charset=utf-8"))
 
+	router.Post("/subreddits/add", routes.SubredditsCreateHTMX)
 	router.Post("/subreddits/start", routes.SubredditStartDownloadHTMX)
 	router.Post("/subreddits/check", routes.SubredditCheckHTMX)
 	router.Get("/subreddits/validate/schedule", routes.SubredditValidateScheduleHTMX)

server/routes/subreddit_create.go

@@ -5,13 +5,17 @@ import (
 	"errors"
 	"fmt"
 	"net/http"
+	"strconv"
 
+	"github.com/a-h/templ"
 	"github.com/robfig/cron/v3"
 	"github.com/tigorlazuardi/redmage/api"
 	"github.com/tigorlazuardi/redmage/api/reddit"
 	"github.com/tigorlazuardi/redmage/models"
 	"github.com/tigorlazuardi/redmage/pkg/errs"
 	"github.com/tigorlazuardi/redmage/pkg/log"
+	"github.com/tigorlazuardi/redmage/views/components"
+	"github.com/tigorlazuardi/redmage/views/subredditsview/addview"
 )
 
 func (routes *Routes) SubredditsCreateAPI(rw http.ResponseWriter, req *http.Request) {
@@ -64,6 +68,118 @@ func (routes *Routes) SubredditsCreateAPI(rw http.ResponseWriter, req *http.Requ
 	}
 }
 
+func (routes *Routes) SubredditsCreateHTMX(rw http.ResponseWriter, r *http.Request) {
+	ctx, span := tracer.Start(r.Context(), "*Routes.SubredditsCreateHTMX")
+	defer span.End()
+
+	sub, errComponents := subredditsDataFromRequest(r)
+	if len(errComponents) > 0 {
+		rw.WriteHeader(http.StatusBadRequest)
+		for _, err := range errComponents {
+			if e := err.Render(ctx, rw); e != nil {
+				log.New(ctx).Err(e).Error("failed to render error")
+			}
+		}
+		return
+	}
+	actual, err := routes.API.SubredditCheck(ctx, api.SubredditCheckParam{
+		Subreddit:     sub.Name,
+		SubredditType: reddit.SubredditType(sub.Subtype),
+	})
+	if err != nil {
+		rw.WriteHeader(http.StatusBadRequest)
+		log.New(ctx).Err(err).Error("subreddit check returns error")
+		renderer := addview.SubredditInputForm(addview.SubredditInputData{
+			Value:     sub.Name,
+			Error:     err.Error(),
+			Type:      reddit.SubredditType(sub.Subtype),
+			HXSwapOOB: "true",
+		})
+		if err := renderer.Render(ctx, rw); err != nil {
+			log.New(ctx).Err(err).Error("failed to render error")
+		}
+		return
+	}
+	sub.Name = actual
+
+	_, err = routes.API.SubredditsCreate(ctx, sub)
+	if err != nil {
+		log.New(ctx).Err(err).Error("failed to create subreddit")
+		code, message := errs.HTTPMessage(err)
+		rw.Header().Set("HX-Retarget", components.NotificationContainerID)
+		rw.WriteHeader(code)
+		if err := components.ErrorNotication(message).Render(ctx, rw); err != nil {
+			log.New(ctx).Err(err).Error("failed to render error")
+		}
+		return
+	}
+	rw.Header().Set("HX-Redirect", "/subreddits")
+	rw.WriteHeader(http.StatusCreated)
+	_, _ = rw.Write([]byte("Subreddit created"))
+}
+
+func subredditsDataFromRequest(r *http.Request) (sub *models.Subreddit, errs []templ.Component) {
+	sub = &models.Subreddit{}
+
+	var t reddit.SubredditType
+	err := t.Parse(r.FormValue("type"))
+	if err != nil {
+		errs = append(errs, addview.SubredditTypeInput(addview.SubredditTypeData{
+			Value:     strconv.Itoa(int(t)),
+			Error:     err.Error(),
+			HXSwapOOB: "true",
+		}))
+
+		return nil, errs
+	}
+	sub.Subtype = int32(t)
+
+	sub.Name = r.FormValue("name")
+	if sub.Name == "" {
+		errs = append(errs, addview.SubredditInputForm(addview.SubredditInputData{
+			Value:     sub.Name,
+			Error:     "name is required",
+			Type:      t,
+			HXSwapOOB: "true",
+		}))
+		return nil, errs
+	}
+
+	enableSchedule, _ := strconv.Atoi(r.FormValue("enable_schedule"))
+	sub.EnableSchedule = int32(enableSchedule)
+	if sub.EnableSchedule > 1 {
+		sub.EnableSchedule = 1
+	} else if sub.EnableSchedule < 0 {
+		sub.EnableSchedule = 0
+	}
+	if sub.EnableSchedule == 0 {
+		sub.Schedule = "@daily"
+	}
+
+	if sub.EnableSchedule == 1 {
+		sub.Schedule = r.FormValue("schedule")
+		_, err = cronParser.Parse(sub.Schedule)
+		if err != nil {
+			errs = append(errs, addview.ScheduleInput(addview.ScheduleInputData{
+				Value:     sub.Schedule,
+				Error:     fmt.Sprintf("invalid cron schedule: %s", err),
+				HXSwapOOB: "true",
+			}))
+		}
+	}
+
+	countback, _ := strconv.Atoi(r.FormValue("countback"))
+	sub.Countback = int32(countback)
+	if sub.Countback < 1 {
+		errs = append(errs, addview.CountbackInput(addview.CountbackInputData{
+			Value: int64(sub.Countback),
+			Error: "countback must be 1 or higher",
+		}))
+	}
+
+	return sub, errs
+}
+
 var cronParser = cron.NewParser(cron.Minute | cron.Hour | cron.Dom | cron.Month | cron.Dow | cron.Descriptor)
 
 func validateSubredditsCreate(body *models.Subreddit) error {

server/routes/subreddit_validate_schedule.go

@@ -45,7 +45,7 @@ func (routes *Routes) SubredditValidateScheduleHTMX(rw http.ResponseWriter, r *h
 
 	next := scheduler.Next(time.Now())
 
-	data.Valid = fmt.Sprintf("Schedule is valid. Next run at: %s", next.Format("Monday, _2 January 2006 15:04:05 MST"))
+	data.Valid = fmt.Sprintf("Syntax is valid. Next run at: %s", next.Format("Monday, _2 January 2006 15:04 MST"))
 
 	if err := addview.ScheduleInput(data).Render(ctx, rw); err != nil {
 		log.New(ctx).Err(err).Error("failed to render schedule input")

views/subredditsview/addview/addview.templ

@@ -19,19 +19,24 @@ templ AddviewContent(c *views.Context) {
 			<h1>Add Subreddit</h1>
 			<div class="divider"></div>
 			<form
+				action="/htmx/subreddits/add"
+				method="POST"
 				onkeydown="return event.key !== 'Enter'"
-				hx-post="/htmx/subreddit/add"
+				hx-post="/htmx/subreddits/add"
+			>
+				<div
 					class="grid grid-cols-1 sm:grid-cols-2 gap-4"
 				>
-				<label id="subreddit-input" class="form-control w-full">
 					@SubredditInputForm(SubredditInputData{})
-				</label>
-				<label id="subreddit-type-input" class="form-control w-full">
 					@SubredditTypeInput(SubredditTypeData{})
-				</label>
+					<div class="sm:col-span-2">
-				<div class="flex gap-4 content-center">
 						@scheduleInputContainer()
 					</div>
+					<div class="sm:col-span-2">
+						@CountbackInput(CountbackInputData{})
+					</div>
+				</div>
+				<button type="submit" class="block btn btn-primary mx-auto w-full max-w-xs mt-8 text-primary-content">Add</button>
 			</form>
 		}
 	</main>

views/subredditsview/addview/countback.templ

@@ -0,0 +1,73 @@
+package addview
+
+import "strconv"
+import "github.com/tigorlazuardi/redmage/views/utils"
+
+type CountbackInputData struct {
+	Value     int64
+	Error     string
+	HXSwapOOB string
+}
+
+func (c *CountbackInputData) GetValue() string {
+	if c.Value < 1 {
+		return "100"
+	}
+	return strconv.FormatInt(c.Value, 10)
+}
+
+templ CountbackInput(data CountbackInputData) {
+	<label
+		id="countback-input"
+		class="form-control w-full sm:col-span-2"
+		hx-swap-oob={ data.HXSwapOOB }
+	>
+		<div class="label">
+			<span
+				class={ utils.CX(map[string]bool{
+                        "label-text": true,
+                        "text-error": data.Error != "",
+                        "text-base": true,
+                    }) }
+			>Countback</span>
+			<span
+				class={ utils.CX(map[string]bool{
+                        "label-text-alt": true,
+                        "text-error": data.Error != "",
+                    }) }
+			>NOTE: Non image posts are also counted in the countback!</span>
+		</div>
+		<input
+			name="countback"
+			type="number"
+			class={ utils.CX(map[string]bool{
+                "input": true,
+                "input-bordered": true,
+                "input-error": data.Error != "",
+                "text-error": data.Error != "",
+            }) }
+			value={ data.GetValue() }
+			min="1"
+			required
+			data-error={ data.Error }
+			hx-on::load="this.setCustomValidity(this.dataset.error)"
+			onchange="this.setCustomValidity('')"
+		/>
+		<div class="label">
+			<span
+				class={ utils.CX(map[string]bool{
+                            "label-text": true,
+                            "text-error": data.Error != "",
+                        }) }
+			>
+				if data.Error != "" {
+					{ data.Error }
+				} else {
+					Number of posts to lookup for whenever the scheduler runs this task or triggered manually by you. 
+					The bigger the number, the longer it takes to finish the task.
+					You should adjust this number based on how active the subreddit is, how often the scheduler runs this task (if enabled), and your internet speed.
+				}
+			</span>
+		</div>
+	</label>
+}

views/subredditsview/addview/name.templ

@@ -1,6 +1,5 @@
 package addview
 
-import "github.com/tigorlazuardi/redmage/views/components"
 import "github.com/tigorlazuardi/redmage/views/utils"
 import "github.com/tigorlazuardi/redmage/api/reddit"
 
@@ -9,9 +8,20 @@ type SubredditInputData struct {
 	Error     string
 	Valid     bool
 	Type      reddit.SubredditType
+	HXSwapOOB string
 }
 
 templ SubredditInputForm(data SubredditInputData) {
+	<label
+		id="subreddit-input"
+		class="form-control w-full"
+		hx-post="/htmx/subreddits/check"
+		hx-target-error="this"
+		hx-trigger="input delay:1s, on-demand"
+		hx-include="[name='type']"
+		hx-swap="outerHTML"
+		hx-swap-oob={ data.HXSwapOOB }
+	>
 		<div class="label">
 			<span
 				class={ utils.CX(map[string]bool{
@@ -22,7 +32,24 @@ templ SubredditInputForm(data SubredditInputData) {
                     }) }
 			>Subreddit Name</span>
 		</div>
-	@subredditInputField("/htmx/subreddits/check", data)
+		<input
+			type="text"
+			id="name"
+			name="name"
+			value={ data.Value }
+			placeholder="e.g. 'wallpaper' or 'EarthPorn'"
+			class={ utils.CX(map[string]bool{
+                "input": true,
+                "input-bordered": true,
+                "input-error": data.Error != "",
+                "text-error": data.Error != "",
+                "input-success": data.Valid,
+                "text-success": data.Valid,
+            }) }
+			required
+			data-error={ data.Error }
+			hx-on::load="this.setCustomValidity(this.getAttribute('data-error'))"
+		/>
 		<div class="label">
 			<span
 				class={ utils.CX(map[string]bool{
@@ -43,31 +70,5 @@ templ SubredditInputForm(data SubredditInputData) {
 				}
 			</span>
 		</div>
-}
+	</label>
-
-templ subredditInputField(target string, data SubredditInputData) {
-	<input
-		type="text"
-		id="name"
-		name="name"
-		hx-post={ target }
-		hx-target="#subreddit-input"
-		hx-target-4xx="#subreddit-input"
-		hx-trigger="keyup changed delay:1s, on-demand"
-		hx-include="[name='type']"
-		hx-target-5x={ components.NotificationContainerID }
-		value={ data.Value }
-		placeholder="e.g. 'wallpaper' or 'EarthPorn'"
-		class={ utils.CX(map[string]bool{
-                "input": true,
-                "input-bordered": true,
-                "input-error": data.Error != "",
-                "text-error": data.Error != "",
-                "input-success": data.Valid,
-                "text-success": data.Valid,
-            }) }
-		required
-		data-error={ data.Error }
-		hx-on::load="this.setCustomValidity(this.getAttribute('data-error'))"
-	/>
 }

views/subredditsview/addview/schedule.templ

@@ -1,16 +1,37 @@
 package addview
 
 import "github.com/tigorlazuardi/redmage/views/utils"
+import "fmt"
+import "strconv"
 
 type ScheduleInputData struct {
 	Value     string
 	Error     string
 	Valid     string
 	Disabled  bool
+	HXSwapOOB string
 }
 
 templ scheduleInputContainer() {
 	@ScheduleInput(ScheduleInputData{})
+	<datalist id="cron-templates">
+		<option value="@hourly">Every hour</option>
+		<option value="@daily">Every day at midnight</option>
+		<option value="@weekly">Every Sunday at midnight</option>
+		<option value="@monthly">Every start of month</option>
+		<option value="@yearly">Every start of year</option>
+		<option value="@annually">Every start of year</option>
+		<option value="0 0 * * MON">Every Monday at midnight</option>
+		<option value="0 0 * * TUE">Every Tuesday at midnight</option>
+		<option value="0 0 * * WED">Every Wednesday at midnight</option>
+		<option value="0 0 * * THU">Every Thursday at midnight</option>
+		<option value="0 0 * * FRI">Every Friday at midnight</option>
+		<option value="0 0 * * SAT">Every Saturday at midnight</option>
+		<option value="0 0 * * SUN">Every Sunday at midnight</option>
+		for i := 1; i  < 24; i++ {
+			<option value={ fmt.Sprintf("0 %d * * *", i) }>Every day at { strconv.Itoa(i) } o'clock</option>
+		}
+	</datalist>
 	<script>
         document.addEventListener('DOMContentLoaded', () => htmx.trigger('#schedule-input-group', 'change'))
     </script>
@@ -19,14 +40,14 @@ templ scheduleInputContainer() {
 templ ScheduleInput(data ScheduleInputData) {
 	<div
 		id="schedule-input-group"
-		class="form-control w-full my-auto"
+		class="form-control w-full"
 		hx-get="/htmx/subreddits/validate/schedule"
-		hx-trigger="change, input delay:1s"
+		hx-trigger="change"
 		hx-include="this"
-		hx-target="this"
 		hx-swap="outerHTML"
+		hx-swap-oob={ data.HXSwapOOB }
 	>
-		<label class="label">
+		<label for="schedule" class="label">
 			<span
 				class={ utils.CX(map[string]bool{
                         "label-text": true,
@@ -35,18 +56,26 @@ templ ScheduleInput(data ScheduleInputData) {
                         "text-base": true,
                     }) }
 			>Schedule</span>
-			<div class="tooltip" data-tip="Whether to enable scheduler or not">
+			<div class="tooltip tooltip-left" data-tip="Whether to enable the scheduler or not">
 				if data.Disabled {
-					<input type="checkbox" name="enable_schedule" value="1" class="toggle toggle-primary"/>
+					<input type="checkbox" name="enable_schedule" value="1" class="toggle toggle-primary my-auto"/>
 				} else {
-					<input type="checkbox" name="enable_schedule" value="1" class="toggle toggle-primary" checked/>
+					<input type="checkbox" name="enable_schedule" value="1" class="toggle toggle-primary my-auto" checked/>
 				}
 			</div>
 		</label>
 		if data.Disabled {
-			<input name="schedule" type="text" placeholder="e.g. '@daily' or '0 0 * * MON'" class="input input-bordered" disabled/>
+			<input
+				id="schedule"
+				name="schedule"
+				type="text"
+				placeholder="e.g. '@daily' or '0 0 * * MON'"
+				class="input input-bordered"
+				disabled
+			/>
 		} else {
 			<input
+				id="schedule"
 				name="schedule"
 				type="text"
 				placeholder="e.g. '@daily' or '0 0 * * MON'"
@@ -59,6 +88,10 @@ templ ScheduleInput(data ScheduleInputData) {
                     "input-success": data.Valid != "",
                     "text-success": data.Valid != "",
                 }) }
+				data-error={ data.Error }
+				hx-on::load="this.setCustomValidity(this.getAttribute('data-error'))"
+				list="cron-templates"
+				required
 			/>
 		}
 		<div class="label">
@@ -72,8 +105,10 @@ templ ScheduleInput(data ScheduleInputData) {
 			>
 				if data.Valid != "" {
 					{ data.Valid }
-				} else {
+				} else if data.Error != "" {
 					{ data.Error }
+				} else if !data.Disabled {
+					Uses cron syntax. Tip: Start by typing 'every' to get suggestions or search custom expressions via Google like 'cron every 6 hours'.
 				}
 			</span>
 		</div>

views/subredditsview/addview/subreddit_type_input.templ

@@ -1,27 +0,0 @@
-package addview
-
-type SubredditTypeData struct {
-	Value string
-}
-
-templ SubredditTypeInput(data SubredditTypeData) {
-	<div class="label">
-		<span class="label-text text-base">Subreddit Type</span>
-	</div>
-	<select
-		onchange="htmx.trigger('#name', 'on-demand')"
-		name="type"
-		value={ data.Value }
-		class="select select-bordered"
-	>
-		if data.Value == "1" {
-			<option value="0">Subreddit</option>
-			<option selected value="1">User</option>
-		} else {
-			<option selected value="0">Subreddit</option>
-			<option value="1">User</option>
-		}
-	</select>
-	<div class="min-h-4"></div>
-	<script>document.addEventListener('DOMContentLoaded', () => htmx.trigger('#name', 'on-demand'))  </script>
-}

views/subredditsview/addview/type.templ

@@ -0,0 +1,52 @@
+package addview
+
+import "github.com/tigorlazuardi/redmage/views/utils"
+
+type SubredditTypeData struct {
+	Value     string
+	Error     string
+	HXSwapOOB string
+}
+
+templ SubredditTypeInput(data SubredditTypeData) {
+	<label
+		id="subreddit-type-input"
+		class="form-control w-full"
+		hx-swap-oob={ data.HXSwapOOB }
+	>
+		<div class="label">
+			<span
+				class={ utils.CX(map[string]bool{
+                        "label-text": true,
+                        "text-error": data.Error != "",
+                        "text-base": true,
+                    }) }
+			>Subreddit Type</span>
+		</div>
+		<select
+			onchange="
+				htmx.trigger('#name', 'on-demand'); 
+				this.setCustomValidity('');
+			"
+			name="type"
+			value={ data.Value }
+			class="select select-bordered"
+			class={ utils.CX(map[string]bool{
+				"select": true,
+				"select-bordered": true,
+				"select-error": data.Error != "",
+			}) }
+			data-error={ data.Error }
+			hx-on::load="this.setCustomValidity(this.dataset.error)"
+		>
+			if data.Value == "1" {
+				<option value="0">Subreddit</option>
+				<option selected value="1">User</option>
+			} else {
+				<option selected value="0">Subreddit</option>
+				<option value="1">User</option>
+			}
+		</select>
+		<script>document.addEventListener('DOMContentLoaded', () => htmx.trigger('#name', 'on-demand'))  </script>
+	</label>
+}