More app code migration (#5170)

* Migrate admin functions into app package

* More user function refactoring

* Move post functions into app package

app/compliance.go

@@ -0,0 +1,62 @@
+// Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package app
+
+import (
+	"io/ioutil"
+
+	"github.com/mattermost/platform/einterfaces"
+	"github.com/mattermost/platform/model"
+	"github.com/mattermost/platform/utils"
+)
+
+func GetComplianceReports() (model.Compliances, *model.AppError) {
+	if !*utils.Cfg.ComplianceSettings.Enable || !utils.IsLicensed || !*utils.License.Features.Compliance {
+		return nil, model.NewLocAppError("GetComplianceReports", "ent.compliance.licence_disable.app_error", nil, "")
+	}
+
+	if result := <-Srv.Store.Compliance().GetAll(); result.Err != nil {
+		return nil, result.Err
+	} else {
+		return result.Data.(model.Compliances), nil
+	}
+}
+
+func SaveComplianceReport(job *model.Compliance) (*model.Compliance, *model.AppError) {
+	if !*utils.Cfg.ComplianceSettings.Enable || !utils.IsLicensed || !*utils.License.Features.Compliance || einterfaces.GetComplianceInterface() == nil {
+		return nil, model.NewLocAppError("saveComplianceReport", "ent.compliance.licence_disable.app_error", nil, "")
+	}
+
+	job.Type = model.COMPLIANCE_TYPE_ADHOC
+
+	if result := <-Srv.Store.Compliance().Save(job); result.Err != nil {
+		return nil, result.Err
+	} else {
+		job = result.Data.(*model.Compliance)
+		go einterfaces.GetComplianceInterface().RunComplianceJob(job)
+	}
+
+	return job, nil
+}
+
+func GetComplianceReport(reportId string) (*model.Compliance, *model.AppError) {
+	if !*utils.Cfg.ComplianceSettings.Enable || !utils.IsLicensed || !*utils.License.Features.Compliance || einterfaces.GetComplianceInterface() == nil {
+		return nil, model.NewLocAppError("downloadComplianceReport", "ent.compliance.licence_disable.app_error", nil, "")
+	}
+
+	if result := <-Srv.Store.Compliance().Get(reportId); result.Err != nil {
+		return nil, result.Err
+	} else {
+		return result.Data.(*model.Compliance), nil
+	}
+}
+
+func GetComplianceFile(job *model.Compliance) ([]byte, *model.AppError) {
+	if f, err := ioutil.ReadFile(*utils.Cfg.ComplianceSettings.Directory + "compliance/" + job.JobName() + ".zip"); err != nil {
+		return nil, model.NewLocAppError("readFile", "api.file.read_file.reading_local.app_error", nil, err.Error())
+
+	} else {
+		return f, nil
+	}
+}