aws-sdk-go-wrapper

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aws-sdk-go-wrapper

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Simple wrapper for aws-sdk-go

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aws-sdk-go-wrapper
----

[![GoDoc][1]][2] [![License: MIT][3]][4] [![Release][5]][6] [![Build Status][7]][8] [![Coveralls Coverage][9]][10] [![Codecov Coverage][11]][12] [![Go Report Card][13]][14] [![Code Climate][19]][20] [![BCH compliance][21]][22]

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Simple wrapper for aws-sdk-go
At this time, this library suports these AWS services below,

# Quick Usage

### CloudTrail

```go
import (
    "fmt"
    "time"

"github.com/evalphobia/aws-sdk-go-wrapper/cloudtrail"
    "github.com/evalphobia/aws-sdk-go-wrapper/config"
)

func main() {
    // Create CloudTrail service
    svc, err := cloudtrail.New(config.Config{
        AccessKey: "access",
        SecretKey: "secret",
        Region: "ap-north-east1",
    })
    if err != nil {
        panic("error to create client")
    }

// Get all of CloudTrail events with in the time.
    results, err := svc.LookupEventsAll(cloudtrail.LookupEventsInput{
        StartTime: time.Now(),
        EndTime:   time.Now(),
        LookupAttributes: []LookupAttribute{
            {
                Key:   "EventName",
                Value: "GetEndpointAttributes", // sns
            },
        },
    })
    if err != nil {
        panic("error to get table")
    }

for _, v := results.Events {
        fmt.Printf("%+v\n", v)
    }
```

### DynamoDB

```go
import (
    "github.com/evalphobia/aws-sdk-go-wrapper/config"
    "github.com/evalphobia/aws-sdk-go-wrapper/dynamodb"
)

func main() {
    // Create DynamoDB service
    svc, err := dynamodb.New(config.Config{
        AccessKey: "access",
        SecretKey: "secret",
        Region: "ap-north-east1",
        Endpoint:  "http://localhost:8000", // option for DynamoDB Local
    })
    if err != nil {
        panic("error to create client")
    }

// Get DynamoDB table
    table, err := svc.GetTable("MyDynamoTable")
    if err != nil {
        panic("error to get table")
    }

// Create new DynamoDB item (row on RDBMS)
    item := dynamodb.NewPutItem()
    item.AddAttribute("user_id", 999)
    item.AddAttribute("status", 1)

// Add item to the put spool
    table.AddItem(item)

item2 := dynamodb.NewItem()
    item.AddAttribute("user_id", 1000)
    item.AddAttribute("status", 2)
    item.AddConditionEQ("status", 3) // Add condition for write
    table.AddItem(item2)

// Put all items in the put spool
    err = table.Put()

// Use svc.PutAll() to put all of the tables,
    // `err = svc.PutAll()`

// Scan items
    cond = table.NewConditionList()
    cond.SetLimit(1000)
    cond.FilterEQ("status", 2)
    result, err = table.ScanWithCondition(cond)
    data := result.ToSliceMap() // `result.ToSliceMap()` returns []map[string]interface{}

//Scan from last key
    cond.SetStartKey(result.LastEvaluatedKey)
    result, err = table.ScanWithCondition(cond)
    data = append(data, result.ToSliceMap())

// Query items
    cond := table.NewConditionList()
    cond.AndEQ("user_id", 999)
    cond.FilterLT("age", 20)
    cond.SetLimit(100)
    result, err := table.Query(cond)
    if err != nil {
        panic("error to query")
    }

// mapping result data to the struct
    type User struct {
        ID int64 `dynamodb:"user_id"`
        Age int `dynamodb:"age"`
        Status int `dynamodb:"status"`
    }
    var list []*User
    err = result.Unmarshal(&list)
    if err != nil {
        panic("error to unmarshal")
    }

if len(list) == int(result.Count) {
        fmt.Println("success to get items")
    }
}
```

### Kinesis

```go
import(
    "encoding/json"

"github.com/evalphobia/aws-sdk-go-wrapper/config"
    "github.com/evalphobia/aws-sdk-go-wrapper/kinesis"
)

func main(){
    // Create Kinesis service
    svc, err := kinesis.New(config.Config{
        AccessKey: "access key",
        SecretKey: "access key",
        Region: "ap-north-east1",
    })
    if err != nil {
        panic("error on creating client")
    }

// Get Kinesis Stream
    stream, err := svc.GetStream("my-stream")
    if err != nil {
        panic("error on getting stream")
    }

// Get ShardID list of the stream
    shardIDs, err := stream.GetShardIDs()
    if err != nil {
        panic("error on getting shard id")
    }

// get records from all of the shards
    for _, shardID := range shardIDs {
        // get records
        result, err := stream.GetRecords(kinesis.GetCondition{
            ShardID:           shardID,
            ShardIteratorType: kinesis.IteratorTypeLatest,
        })
        if err != nil {
            panic("error on getting records")
        }

// get next records from the last result.
        result, err = stream.GetRecords(kinesis.GetCondition{
            ShardID:           shardID,
            ShardIteratorType: kinesis.IteratorTypeLatest,
            ShardIterator:     result.NextShardIterator,
        })
    }

data := make(map[string]interface{})
    data["foo"] = 999
    data["bar"] = "some important info"

bytData, _ := json.Marshal(data)

// put data into stream record
    err = stream.PutRecord(bytData)
    if err != nil {
        panic("error on putting record")
    }
}
```

### S3

```go

import(
    "os"

"github.com/evalphobia/aws-sdk-go-wrapper/config"
    "github.com/evalphobia/aws-sdk-go-wrapper/s3"
)

func main(){
    // Create S3 service
    svc, err := s3.New(config.Config{
        AccessKey: "access",
        SecretKey: "secret",
        Region: "ap-north-east1",
        S3ForcePathStyle: true,
        Endpoint:  "http://localhost:4567", // option for FakeS3
    })
    if err != nil {
        panic("error to create client")
    }

bucket := svc.GetBucket("MyBucket")

// upload file
    var file *os.File
    file = getFile() // dummy code. this expects return data of "*os.File". e.g. from POST form.
    s3obj := s3.NewPutObject(file)
    bucket.AddObject(s3obj, "/foo/bar/new_file")
    err = bucket.PutAll()
    if err != nil {
       panic("error to put file")
    }

// upload file from text data
    text := "Lorem ipsum"
    s3obj2 := s3.NewPutObjectString(text)
    bucket.AddObject(s3obj2, "/log/new_text.txt")

// upload file of ACL authenticated-read
    bucket.AddSecretObject(s3obj2, "/secret_path/new_secret_file.txt")

// put all added objects.
    err = bucket.PutAll() // upload "/log/new_text.txt" & "/secret_path/new_secret_file.txt"
    if err != nil {
       panic("error to put files")
    }

byt, err := bucket.GetObjectByte("/log/new_text.txt")
    if err != nil {
       panic("error to get file")
    }

fmt.Println(string(byt)) // => Lorem ipsum
}
```

### SNS

```go

import(
    "fmt"

"github.com/evalphobia/aws-sdk-go-wrapper/config"
    "github.com/evalphobia/aws-sdk-go-wrapper/sns"
)

func main(){
    svc, err := sns.New(config.Config{
        AccessKey: "access key",
        SecretKey: "access key",
        Region: "ap-north-east1",
    }, Platforms{
        Production: false, // flag for APNS/APNS sandbox.
        Apple:      "arn:aws:sns:us-east-1:0000000000:app/APNS/foo_apns", // Endpoint ARN for APNS
        Google:     "arn:aws:sns:us-east-1:0000000000:app/GCM/foo_gcm", // Endpoint ARN for GCM
    })
    if err != nil {
        panic("error to create client")
    }

// send message to iOS devices.
    tokenListForIOS := []string{"fooEndpoint"}
    err = svc.BulkPublishByDevice("ios", tokenListForIOS, "push message!")
    if err != nil {
        panic("error to publish")
    }

// send message to multiple devices.
    tokenList := map[string][]string{
        "android": {"token1", "token2"},
        "ios": {"token3", "token4"},
    }
    err = svc.BulkPublish(tokenList, "push message!")
    if err != nil {
        panic("error to publish")
    }
}
```

### SQS

```go

import(
    "fmt"

"github.com/evalphobia/aws-sdk-go-wrapper/config"
    "github.com/evalphobia/aws-sdk-go-wrapper/sqs"
)

func main(){
    svc, err := sqs.New(config.Config{
        AccessKey: "access key",
        SecretKey: "access key",
        Region: "ap-north-east1",
    })
    if err != nil {
        panic("error to create client")
    }

queue := svc.GetQueue("my-queue")

// add message to spool
    queue.AddMessage("my message")

// send messages in spool
    err := queue.Send()
    if err != nil {
        panic("error on sending sqs message")
    }

// count message in SQS Queue
    num, _, _ := queue.CountMessage()
    if num > 0 {
        panic("message count must be sent")
    }

// fetch messages from SQS Queue
    // maximum 10 message
    messageList, err := queue.Fetch(10)
    if err != nil {
        panic("error on getting sqs message")
    }

for _, msg := messageList {
        // print message content
        fmt.Println(msg.Body())

// delete message manually
        // if set queue.AutoDelete(true), messages are delete on fetching process
        queue.DeleteMessage(msg)
    }

// purge queue
    queue.Purge()
}
```

# License

MIT

aws-sdk-go-wrapper

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