From b122381e87577ddfc12b792a3de9121ea830d50e Mon Sep 17 00:00:00 2001
From: Chris <ccbrown112@gmail.com>
Date: Wed, 16 Aug 2017 07:17:57 -0500
Subject: PLT-1649: add response_url support for custom slash commands (#6739)

* add response_url support for custom slash commands

* pr suggestions

* pr update / suggestion

* test fix
---
 store/sql_command_webhook_store.go | 125 +++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 store/sql_command_webhook_store.go

(limited to 'store/sql_command_webhook_store.go')

diff --git a/store/sql_command_webhook_store.go b/store/sql_command_webhook_store.go
new file mode 100644
index 000000000..af4b298b1
--- /dev/null
+++ b/store/sql_command_webhook_store.go
@@ -0,0 +1,125 @@
+// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package store
+
+import (
+	"net/http"
+
+	"database/sql"
+
+	l4g "github.com/alecthomas/log4go"
+
+	"github.com/mattermost/platform/model"
+)
+
+type SqlCommandWebhookStore struct {
+	SqlStore
+}
+
+func NewSqlCommandWebhookStore(sqlStore SqlStore) CommandWebhookStore {
+	s := &SqlCommandWebhookStore{sqlStore}
+
+	for _, db := range sqlStore.GetAllConns() {
+		tablec := db.AddTableWithName(model.CommandWebhook{}, "CommandWebhooks").SetKeys(false, "Id")
+		tablec.ColMap("Id").SetMaxSize(26)
+		tablec.ColMap("CommandId").SetMaxSize(26)
+		tablec.ColMap("UserId").SetMaxSize(26)
+		tablec.ColMap("ChannelId").SetMaxSize(26)
+		tablec.ColMap("RootId").SetMaxSize(26)
+		tablec.ColMap("ParentId").SetMaxSize(26)
+	}
+
+	return s
+}
+
+func (s SqlCommandWebhookStore) CreateIndexesIfNotExists() {
+	s.CreateIndexIfNotExists("idx_command_webhook_create_at", "CommandWebhooks", "CreateAt")
+}
+
+func (s SqlCommandWebhookStore) Save(webhook *model.CommandWebhook) StoreChannel {
+	storeChannel := make(StoreChannel, 1)
+
+	go func() {
+		result := StoreResult{}
+
+		if len(webhook.Id) > 0 {
+			result.Err = model.NewLocAppError("SqlCommandWebhookStore.Save", "store.sql_command_webhooks.save.existing.app_error", nil, "id="+webhook.Id)
+			storeChannel <- result
+			close(storeChannel)
+			return
+		}
+
+		webhook.PreSave()
+		if result.Err = webhook.IsValid(); result.Err != nil {
+			storeChannel <- result
+			close(storeChannel)
+			return
+		}
+
+		if err := s.GetMaster().Insert(webhook); err != nil {
+			result.Err = model.NewLocAppError("SqlCommandWebhookStore.Save", "store.sql_command_webhooks.save.app_error", nil, "id="+webhook.Id+", "+err.Error())
+		} else {
+			result.Data = webhook
+		}
+
+		storeChannel <- result
+		close(storeChannel)
+	}()
+
+	return storeChannel
+}
+
+func (s SqlCommandWebhookStore) Get(id string) StoreChannel {
+	storeChannel := make(StoreChannel, 1)
+
+	go func() {
+		result := StoreResult{}
+
+		var webhook model.CommandWebhook
+
+		exptime := model.GetMillis() - model.COMMAND_WEBHOOK_LIFETIME
+		if err := s.GetReplica().SelectOne(&webhook, "SELECT * FROM CommandWebhooks WHERE Id = :Id AND CreateAt > :ExpTime", map[string]interface{}{"Id": id, "ExpTime": exptime}); err != nil {
+			result.Err = model.NewLocAppError("SqlCommandWebhookStore.Get", "store.sql_command_webhooks.get.app_error", nil, "id="+id+", err="+err.Error())
+			if err == sql.ErrNoRows {
+				result.Err.StatusCode = http.StatusNotFound
+			}
+		}
+
+		result.Data = &webhook
+
+		storeChannel <- result
+		close(storeChannel)
+	}()
+
+	return storeChannel
+}
+
+func (s SqlCommandWebhookStore) TryUse(id string, limit int) StoreChannel {
+	storeChannel := make(StoreChannel, 1)
+
+	go func() {
+		result := StoreResult{}
+
+		if sqlResult, err := s.GetMaster().Exec("UPDATE CommandWebhooks SET UseCount = UseCount + 1 WHERE Id = :Id AND UseCount < :UseLimit", map[string]interface{}{"Id": id, "UseLimit": limit}); err != nil {
+			result.Err = model.NewLocAppError("SqlCommandWebhookStore.TryUse", "store.sql_command_webhooks.try_use.app_error", nil, "id="+id+", err="+err.Error())
+		} else if rows, _ := sqlResult.RowsAffected(); rows == 0 {
+			result.Err = model.NewAppError("SqlCommandWebhookStore.TryUse", "store.sql_command_webhooks.try_use.invalid.app_error", nil, "id="+id, http.StatusBadRequest)
+		}
+
+		result.Data = id
+
+		storeChannel <- result
+		close(storeChannel)
+	}()
+
+	return storeChannel
+}
+
+func (s SqlCommandWebhookStore) Cleanup() {
+	l4g.Debug("Cleaning up command webhook store.")
+	exptime := model.GetMillis() - model.COMMAND_WEBHOOK_LIFETIME
+	if _, err := s.GetMaster().Exec("DELETE FROM CommandWebhooks WHERE CreateAt < :ExpTime", map[string]interface{}{"ExpTime": exptime}); err != nil {
+		l4g.Error("Unable to cleanup command webhook store.")
+	}
+}
-- 
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