bugfixes and stiffening in the dialog rendering pipeline and the login dialog

ui/amcontext.go

@@ -200,6 +200,7 @@ func (c *amContext) Scratchpad() map[string]any {
 func (c *amContext) SubRender(name string) ([]byte, error) {
 	view, err := views.GetTemplate(name)
 	if err != nil {
+		log.Errorf("unable to load template \"%s\": %v", name, err)
 		return nil, err
 	}
 	buf := new(bytes.Buffer)

ui/dialog.go

@@ -47,6 +47,12 @@ type Dialog struct {
 	Fields       []DialogItem `yaml:"fields"`
 }
 
+// VRange is used as a return type for ValueRange.
+type VRange struct {
+	Low  int
+	High int
+}
+
 //go:embed dialogs/*
 var dialogs embed.FS
 
@@ -99,14 +105,14 @@ func (fld *DialogItem) IsChecked() bool {
 }
 
 // ValueRange returns the minimum and maximum values for an integer field.
-func (fld *DialogItem) ValueRange() (int, int) {
+func (fld *DialogItem) ValueRange() VRange {
 	if fld.Type == "integer" && fld.Param != "" {
 		parms := strings.Split(fld.Param, "-")
 		low, _ := strconv.Atoi(parms[0])
 		high, _ := strconv.Atoi(parms[1])
-		return low, high
+		return VRange{Low: low, High: high}
 	}
-	return -1, -1
+	return VRange{Low: -1, High: -1}
 }
 
 // AsDate returns the value of a date field as a Go date.
@@ -152,10 +158,12 @@ func (d *Dialog) Field(name string) *DialogItem {
  */
 func (d *Dialog) Render(ctxt AmContext) (string, any, error) {
 	required := false
-	for _, fld := range d.Fields {
+	for i, fld := range d.Fields {
 		if fld.Required {
-			required = true
-			break
+			required = true // display the "required" blurb
+		}
+		if fld.Type == "password" { // clear all "password" fields as a security measure
+			d.Fields[i].Value = ""
 		}
 	}
 	ctxt.VarMap().Set("amsterdam_required", required)
@@ -304,12 +312,12 @@ func validateIntegerField(fld *DialogItem) error {
 		v, err = strconv.Atoi(fld.Value)
 		if err == nil {
 			fld.AuxData = v // cache parsed value
-			lo, hi := fld.ValueRange()
-			if lo != -1 && hi != -1 {
-				if v < lo {
-					return fmt.Errorf("value of field \"%s\" cannot be less than %d", fld.Caption, lo)
-				} else if v > hi {
-					return fmt.Errorf("value of field \"%s\" cannot be greater than %d", fld.Caption, hi)
+			vr := fld.ValueRange()
+			if vr.Low != -1 && vr.High != -1 {
+				if v < vr.Low {
+					return fmt.Errorf("value of field \"%s\" cannot be less than %d", fld.Caption, vr.Low)
+				} else if v > vr.High {
+					return fmt.Errorf("value of field \"%s\" cannot be greater than %d", fld.Caption, vr.High)
 				}
 			}
 		} else {

ui/render_wrap.go

@@ -18,7 +18,7 @@ import (
 	"git.erbosoft.com/amy/amsterdam/config"
 	"git.erbosoft.com/amy/amsterdam/database"
 	"github.com/labstack/echo/v4"
-	"github.com/labstack/gommon/log"
+	log "github.com/sirupsen/logrus"
 )
 
 func sendPageData(ctxt echo.Context, amctxt AmContext, command string, data any) error {
@@ -39,6 +39,9 @@ func sendPageData(ctxt echo.Context, amctxt AmContext, command string, data any)
 	default:
 		err = fmt.Errorf("unknown rendering type: %s", command)
 	}
+	if err != nil {
+		log.Errorf("sendPageData() barfed with %v", err)
+	}
 	return err
 }
 

ui/templates.go

@@ -29,6 +29,7 @@ import (
 	"github.com/CloudyKit/jet/v6/loaders/multi"
 	"github.com/biter777/countries"
 	"github.com/labstack/echo/v4"
+	log "github.com/sirupsen/logrus"
 )
 
 //go:embed views/*
@@ -130,7 +131,7 @@ func makeYearRange(a jet.Arguments) reflect.Value {
 	}
 }
 
-/* CapitalizeString changes the first character of trhe string to a capital.
+/* CapitalizeString changes the first character of the string to a capital.
  * Parameters:
  *     s - The string to be capitalized.
  * Returns:
@@ -187,6 +188,7 @@ func (r *TemplateRenderer) Render(w io.Writer, name string, data any, c echo.Con
 	view, err := views.GetTemplate(name)
 
 	if err != nil {
+		log.Errorf("Unable to load template \"%s\": %v", name, err)
 		return err
 	}
 	var vmap jet.VarMap = nil

ui/views/dialog.jet

@@ -6,6 +6,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/.
  *}
+<!-- BEGIN DIALOG {{ amsterdam_dialog.Name }} -->
 <div class="p-4">
     <div class="mb-6">
         <h1 class="text-blue-800 text-4xl font-bold mb-2">{{ amsterdam_dialog.Title }}</h1>
@@ -78,9 +79,9 @@
                                 {{ if .MaxLength > 0 }}maxlength="{{ .MaxLength }}"{{ end }}
                                 value="{{ .Value }}"
                                 class="flex-1 px-3 py-2 border border-gray-300 rounded focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500" />
-                                {{ lo, hi := .ValueRange() }}
-                                {{ if lo != -1 && hi != -1 }}
-                                    <span class="text-sm">({{ lo }}-{{ hi }})</span>
+                                {{ vr := .ValueRange() }}
+                                {{ if vr.Low != -1 && vr.High != -1 }}
+                                    <span class="text-sm">({{ vr.Low }}-{{ vr.High }})</span>
                                 {{ end }}
                         </div>
                     {{ else if .Type == "password" }}
@@ -170,3 +171,4 @@
         </div>
     </form>
 </div>
+<!-- END DIALOG {{ amsterdam_dialog.Name }} -->