feat: e-mail templates (#1158)

* View definition added

* Get templates and texts from the database.

* Fill in texts in templates

* Fill in texts in templates

* Client API added

* Weekly backup

* Weekly backup

* Daily backup

* Weekly backup

* Tests added

* Corrections from merge branch

* Fixes from pull request review

internal/iam/model/iam.go

@@ -16,6 +16,7 @@ const (
 	Step7
 	Step8
 	Step9
+	Step10
 	//StepCount marks the the length of possible steps (StepCount-1 == last possible step)
 	StepCount
 )
@@ -34,6 +35,8 @@ type IAM struct {
 	DefaultPasswordComplexityPolicy *PasswordComplexityPolicy
 	DefaultPasswordAgePolicy        *PasswordAgePolicy
 	DefaultPasswordLockoutPolicy    *PasswordLockoutPolicy
+	DefaultMailTemplate             *MailTemplate
+	DefaultMailTexts                []*MailText
 }
 
 func (iam *IAM) GetMember(userID string) (int, *IAMMember) {
@@ -53,3 +56,12 @@ func (iam *IAM) GetIDP(idpID string) (int, *IDPConfig) {
 	}
 	return -1, nil
 }
+
+func (iam *IAM) GetDefaultMailText(mailTextType string, language string) (int, *MailText) {
+	for i, m := range iam.DefaultMailTexts {
+		if m.MailTextType == mailTextType && m.Language == language {
+			return i, m
+		}
+	}
+	return -1, nil
+}

internal/iam/model/mail_template.go

@@ -0,0 +1,17 @@
+package model
+
+import (
+	"github.com/caos/zitadel/internal/eventstore/models"
+)
+
+type MailTemplate struct {
+	models.ObjectRoot
+
+	State    PolicyState
+	Default  bool
+	Template []byte
+}
+
+func (p *MailTemplate) IsValid() bool {
+	return p.ObjectRoot.AggregateID != ""
+}

internal/iam/model/mail_template_view.go

@@ -0,0 +1,47 @@
+package model
+
+import (
+	"time"
+
+	"github.com/caos/zitadel/internal/model"
+)
+
+type MailTemplateView struct {
+	AggregateID string
+	Template    []byte
+	Default     bool
+
+	CreationDate time.Time
+	ChangeDate   time.Time
+	Sequence     uint64
+}
+
+type MailTemplateSearchRequest struct {
+	Offset        uint64
+	Limit         uint64
+	SortingColumn MailTemplateSearchKey
+	Asc           bool
+	Queries       []*MailTemplateSearchQuery
+}
+
+type MailTemplateSearchKey int32
+
+const (
+	MailTemplateSearchKeyUnspecified MailTemplateSearchKey = iota
+	MailTemplateSearchKeyAggregateID
+)
+
+type MailTemplateSearchQuery struct {
+	Key    MailTemplateSearchKey
+	Method model.SearchMethod
+	Value  interface{}
+}
+
+type MailTemplateSearchResponse struct {
+	Offset      uint64
+	Limit       uint64
+	TotalResult uint64
+	Result      []*MailTemplateView
+	Sequence    uint64
+	Timestamp   time.Time
+}

internal/iam/model/mail_text.go

@@ -0,0 +1,28 @@
+package model
+
+import (
+	"github.com/caos/zitadel/internal/eventstore/models"
+)
+
+type MailTexts struct {
+	Texts   []*MailText
+	Default bool
+}
+type MailText struct {
+	models.ObjectRoot
+
+	State        PolicyState
+	Default      bool
+	MailTextType string
+	Language     string
+	Title        string
+	PreHeader    string
+	Subject      string
+	Greeting     string
+	Text         string
+	ButtonText   string
+}
+
+func (p *MailText) IsValid() bool {
+	return p.ObjectRoot.AggregateID != ""
+}

internal/iam/model/mail_text_view.go

@@ -0,0 +1,60 @@
+package model
+
+import (
+	"time"
+
+	"github.com/caos/zitadel/internal/model"
+)
+
+type MailTextsView struct {
+	Texts   []*MailTextView
+	Default bool
+}
+type MailTextView struct {
+	AggregateID  string
+	MailTextType string
+	Language     string
+	Title        string
+	PreHeader    string
+	Subject      string
+	Greeting     string
+	Text         string
+	ButtonText   string
+	Default      bool
+
+	CreationDate time.Time
+	ChangeDate   time.Time
+	Sequence     uint64
+}
+
+type MailTextSearchRequest struct {
+	Offset        uint64
+	Limit         uint64
+	SortingColumn MailTextSearchKey
+	Asc           bool
+	Queries       []*MailTextSearchQuery
+}
+
+type MailTextSearchKey int32
+
+const (
+	MailTextSearchKeyUnspecified MailTextSearchKey = iota
+	MailTextSearchKeyAggregateID
+	MailTextSearchKeyMailTextType
+	MailTextSearchKeyLanguage
+)
+
+type MailTextSearchQuery struct {
+	Key    MailTextSearchKey
+	Method model.SearchMethod
+	Value  interface{}
+}
+
+type MailTextSearchResponse struct {
+	Offset      uint64
+	Limit       uint64
+	TotalResult uint64
+	Result      []*MailTextView
+	Sequence    uint64
+	Timestamp   time.Time
+}