Implement database mapping for vote types

cmd/boardvoting/config.go

@@ -100,7 +100,9 @@ func parseConfig(configFile string) (*Config, error) {
 	}
 
 	if len(config.CsrfKey) != csrfKeyLength {
-		return nil, fmt.Errorf("CSRF key must be exactly %d bytes long but is %d bytes long", csrfKeyLength, len(config.CsrfKey))
+		return nil, fmt.Errorf(
+			"CSRF key must be exactly %d bytes long but is %d bytes long", csrfKeyLength, len(config.CsrfKey),
+		)
 	}
 
 	return config, nil

cmd/boardvoting/handlers.go

@@ -29,12 +29,13 @@ import (
 	"strings"
 	"time"
 
-	"git.cacert.org/cacert-boardvoting/internal/models"
-	"git.cacert.org/cacert-boardvoting/internal/validator"
-	"git.cacert.org/cacert-boardvoting/ui"
 	"github.com/Masterminds/sprig/v3"
 	"github.com/gorilla/csrf"
 	"github.com/julienschmidt/httprouter"
+
+	"git.cacert.org/cacert-boardvoting/internal/models"
+	"git.cacert.org/cacert-boardvoting/internal/validator"
+	"git.cacert.org/cacert-boardvoting/ui"
 )
 
 func newTemplateCache() (map[string]*template.Template, error) {
@@ -295,12 +296,36 @@ func (app *application) newMotionSubmit(w http.ResponseWriter, r *http.Request)
 		return
 	}
 
-	form.CheckField(validator.NotBlank(form.Title), "title", "This field cannot be blank")
-	form.CheckField(validator.MinChars(form.Title, minimumTitleLength), "title", fmt.Sprintf("This field must be at least %d characters long", minimumTitleLength))
-	form.CheckField(validator.MaxChars(form.Title, maximumTitleLength), "title", fmt.Sprintf("This field must be at most %d characters long", maximumTitleLength))
-	form.CheckField(validator.NotBlank(form.Content), "content", "This field cannot be blank")
-	form.CheckField(validator.MinChars(form.Content, minimumContentLength), "content", fmt.Sprintf("This field must be at least %d characters long", minimumContentLength))
-	form.CheckField(validator.MaxChars(form.Content, maximumContentLength), "content", fmt.Sprintf("This field must be at most %d characters long", maximumContentLength))
+	form.CheckField(
+		validator.NotBlank(form.Title),
+		"title",
+		"This field cannot be blank",
+	)
+	form.CheckField(
+		validator.MinChars(form.Title, minimumTitleLength),
+		"title",
+		fmt.Sprintf("This field must be at least %d characters long", minimumTitleLength),
+	)
+	form.CheckField(
+		validator.MaxChars(form.Title, maximumTitleLength),
+		"title",
+		fmt.Sprintf("This field must be at most %d characters long", maximumTitleLength),
+	)
+	form.CheckField(
+		validator.NotBlank(form.Content),
+		"content",
+		"This field cannot be blank",
+	)
+	form.CheckField(
+		validator.MinChars(form.Content, minimumContentLength),
+		"content",
+		fmt.Sprintf("This field must be at least %d characters long", minimumContentLength),
+	)
+	form.CheckField(
+		validator.MaxChars(form.Content, maximumContentLength),
+		"content",
+		fmt.Sprintf("This field must be at most %d characters long", maximumContentLength),
+	)
 	form.CheckField(validator.PermittedStr(
 		form.Due,
 		"+3 days",

cmd/boardvoting/main.go

@@ -41,6 +41,8 @@ import (
 	"git.cacert.org/cacert-boardvoting/internal/models"
 )
 
+const sessionHours = 12
+
 var (
 	version = "undefined"
 	commit  = "undefined"
@@ -95,7 +97,7 @@ func main() {
 
 	sessionManager := scs.New()
 	sessionManager.Store = sqlite3store.New(db.DB)
-	sessionManager.Lifetime = 12 * time.Hour
+	sessionManager.Lifetime = sessionHours * time.Hour
 
 	app := &application{
 		errorLog:       errorLog,
@@ -145,7 +147,12 @@ func setupFormDecoder() *form.Decoder {
 	decoder := form.NewDecoder()
 
 	decoder.RegisterCustomTypeFunc(func(values []string) (interface{}, error) {
-		return models.VoteTypeFromString(values[0])
+		v, err := models.VoteTypeFromString(values[0])
+		if err != nil {
+			return nil, fmt.Errorf("could not convert value %s: %w", values[0], err)
+		}
+
+		return v, nil
 	}, new(models.VoteType))
 
 	return decoder

internal/models/motions.go

@@ -20,6 +20,7 @@ package models
 import (
 	"context"
 	"database/sql"
+	"database/sql/driver"
 	"errors"
 	"fmt"
 	"log"
@@ -55,9 +56,9 @@ func VoteTypeFromString(label string) (*VoteType, error) {
 	return nil, fmt.Errorf("unknown vote type %s", label)
 }
 
-func VoteTypeFromUint8(id uint8) (*VoteType, error) {
+func VoteTypeFromInt(id int64) (*VoteType, error) {
 	for _, vt := range []*VoteType{VoteTypeMotion, VoteTypeVeto} {
-		if vt.id == id {
+		if int64(vt.id) == id {
 			return vt, nil
 		}
 	}
@@ -65,6 +66,26 @@ func VoteTypeFromUint8(id uint8) (*VoteType, error) {
 	return nil, fmt.Errorf("unknown vote type id %d", id)
 }
 
+func (v *VoteType) Scan(src any) error {
+	value, ok := src.(int64)
+	if !ok {
+		return fmt.Errorf("could not cast %v of %T to uint8", src, src)
+	}
+
+	vt, err := VoteTypeFromInt(value)
+	if err != nil {
+		return err
+	}
+
+	*v = *vt
+
+	return nil
+}
+
+func (v *VoteType) Value() (driver.Value, error) {
+	return int64(v.id), nil
+}
+
 func (v *VoteType) QuorumAndMajority() (int, float32) {
 	const (
 		majorityDefault = 0.99
@@ -162,7 +183,7 @@ type Motion struct {
 	Due       time.Time
 	Modified  time.Time
 	Tag       string
-	VoteType  VoteType
+	VoteType  *VoteType
 }
 
 type ClosedMotion struct {
@@ -180,7 +201,7 @@ type MotionModel struct {
 func (m *MotionModel) Create(
 	ctx context.Context,
 	proponent *Voter,
-	voteType VoteType,
+	voteType *VoteType,
 	title, content string,
 	proposed, due time.Time,
 ) (int64, error) {
@@ -400,7 +421,7 @@ type MotionForDisplay struct {
 	Proposed  time.Time
 	Title     string
 	Content   string
-	Type      VoteType `db:"votetype"`
+	Type      *VoteType `db:"votetype"`
 	Status    VoteStatus
 	Due       time.Time
 	Modified  time.Time

internal/validator/validator.go

@@ -1,3 +1,20 @@
+/*
+Copyright 2022 CAcert Inc.
+SPDX-License-Identifier: Apache-2.0
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package validator
 
 import (
@@ -41,16 +58,6 @@ func MinChars(value string, n int) bool {
 	return utf8.RuneCountInString(value) >= n
 }
 
-func PermittedInt(value int, permittedValues ...int) bool {
-	for i := range permittedValues {
-		if value == permittedValues[i] {
-			return true
-		}
-	}
-
-	return false
-}
-
 func PermittedStr(value string, permittedValues ...string) bool {
 	for i := range permittedValues {
 		if value == permittedValues[i] {