usage

type DB struct {
	// DynamoDB Client
	Client *dynamodb.DynamoDB
	// Name of the Usage table
	UsageTableName   string
	PartitionKeyName string
	SortKeyName      string
	// Use Consistent Reads when scanning or querying.  When possbile.
	ConsistentRead bool
}

type DBer interface {
	PutUsage(input Usage) error
	GetUsageByDateRange(startDate time.Time, endDate time.Time) ([]*Usage, error)
	GetUsageByPrincipal(startDate time.Time, principalID string) ([]*Usage, error)
}

type GetUsageInput struct {
	StartKeys   map[string]string
	PrincipalID string
	AccountID   string
	StartDate   time.Time
	Limit       int64
}

type GetUsageOutput struct {
	Results  []*Usage
	NextKeys map[string]string
}

type MultipleReader interface {
	List(query *Usage) (*Usages, error)
}

type NewServiceInput struct {
	DataSvc ReaderWriter
}

type NewUsageInput struct {
	PrincipalID  string
	AccountID    string
	StartDate    int64
	EndDate      int64
	CostAmount   float64
	CostCurrency string
	TimeToLive   int64
}

type Reader interface {
	SingleReader
	MultipleReader
}

type ReaderWriter interface {
	Reader
	Writer
}

type Service struct {
	// contains filtered or unexported fields
}

type SingleReader interface {
	Get(startDate int64, principalID string) (*Usage, error)
}

type Usage struct {
	PrincipalID     *string  `json:"principalId,omitempty" dynamodbav:"PrincipalId" schema:"principalId,omitempty"`              // User Principal ID
	AccountID       *string  `json:"accountId,omitempty" dynamodbav:"AccountId,omitempty" schema:"accountId,omitempty"`          // AWS Account ID
	StartDate       *int64   `json:"startDate,omitempty" dynamodbav:"StartDate" schema:"startDate,omitempty"`                    // Usage start date Epoch Timestamp
	EndDate         *int64   `json:"endDate,omitempty" dynamodbav:"EndDate,omitempty" schema:"endDate,omitempty"`                // Usage ends date Epoch Timestamp
	CostAmount      *float64 `json:"costAmount,omitempty" dynamodbav:"CostAmount,omitempty" schema:"costAmount,omitempty"`       // Cost Amount for given period
	CostCurrency    *string  `json:"costCurrency,omitempty" dynamodbav:"CostCurrency,omitempty" schema:"costCurrency,omitempty"` // Cost currency
	TimeToLive      *int64   `json:"timeToLive,omitempty" dynamodbav:"TimeToLive,omitempty" schema:"timeToLive,omitempty"`       // ttl attribute
	Limit           *int64   `json:"-" dynamodbav:"-" schema:"limit,omitempty"`
	NextStartDate   *int64   `json:"-" dynamodbav:"-" schema:"nextStartDate,omitempty"`
	NextPrincipalID *string  `json:"-" dynamodbav:"-" schema:"nextPrincipalId,omitempty"`
}

type Usages []Usage

type Writer interface {
	Write(i *Usage) error
}