[MM-31790] Support Packet Generation BACKEND (#16667)

* init commit

* clean up the code

* make mocks

* fix translations

* mocks and lint fixes

* add tests

* little fixes

* Update i18n/en.json

Co-authored-by: Scott Bishel <scott.bishel@mattermost.com>

* Update i18n/en.json

Co-authored-by: Scott Bishel <scott.bishel@mattermost.com>

* Update i18n/en.json

Co-authored-by: Scott Bishel <scott.bishel@mattermost.com>

* Update i18n/en.json

Co-authored-by: Scott Bishel <scott.bishel@mattermost.com>

* Update i18n/en.json

Co-authored-by: Scott Bishel <scott.bishel@mattermost.com>

* Address Comments

* fix i18n

* update api endpoint

* add enable file and file level for conditional show of banner

* Address Comments

* Make it more clear about returns

* Create zip file utility function

* update en.json

* address comments

* write tests

* check for data in test

* remove warning string

* Correct expected and actual

* set database through environment variables

* reset environment variable at end of test

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
Co-authored-by: Scott Bishel <scott.bishel@mattermost.com>

services/searchengine/bleveengine/bleve.go

@@ -231,6 +231,14 @@ func (b *BleveEngine) GetVersion() int {
 	return 0
 }
 
+func (b *BleveEngine) GetFullVersion() string {
+	return "0"
+}
+
+func (b *BleveEngine) GetPlugins() []string {
+	return []string{}
+}
+
 func (b *BleveEngine) GetName() string {
 	return EngineName
 }

services/searchengine/interface.go

@@ -12,7 +12,9 @@ import (
 type SearchEngineInterface interface {
 	Start() *model.AppError
 	Stop() *model.AppError
+	GetFullVersion() string
 	GetVersion() int
+	GetPlugins() []string
 	UpdateConfig(cfg *model.Config)
 	GetName() string
 	IsActive() bool

services/searchengine/mocks/SearchEngineInterface.go

@@ -176,6 +176,20 @@ func (_m *SearchEngineInterface) DeleteUserPosts(userID string) *model.AppError
 	return r0
 }
 
+// GetFullVersion provides a mock function with given fields:
+func (_m *SearchEngineInterface) GetFullVersion() string {
+	ret := _m.Called()
+
+	var r0 string
+	if rf, ok := ret.Get(0).(func() string); ok {
+		r0 = rf()
+	} else {
+		r0 = ret.Get(0).(string)
+	}
+
+	return r0
+}
+
 // GetName provides a mock function with given fields:
 func (_m *SearchEngineInterface) GetName() string {
 	ret := _m.Called()
@@ -190,6 +204,22 @@ func (_m *SearchEngineInterface) GetName() string {
 	return r0
 }
 
+// GetPlugins provides a mock function with given fields:
+func (_m *SearchEngineInterface) GetPlugins() []string {
+	ret := _m.Called()
+
+	var r0 []string
+	if rf, ok := ret.Get(0).(func() []string); ok {
+		r0 = rf()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).([]string)
+		}
+	}
+
+	return r0
+}
+
 // GetVersion provides a mock function with given fields:
 func (_m *SearchEngineInterface) GetVersion() int {
 	ret := _m.Called()