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https://github.com/9ssi7/tguard
tguard manages data with timeouts, ideal for ticketing & payment systems.
https://github.com/9ssi7/tguard
context-management golang payment-gateway ticketing-system timeout-manager
Last synced: 18 days ago
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tguard manages data with timeouts, ideal for ticketing & payment systems.
- Host: GitHub
- URL: https://github.com/9ssi7/tguard
- Owner: 9ssi7
- License: apache-2.0
- Created: 2024-01-02T19:36:16.000Z (10 months ago)
- Default Branch: main
- Last Pushed: 2024-01-15T09:51:19.000Z (10 months ago)
- Last Synced: 2024-01-15T13:17:43.521Z (10 months ago)
- Topics: context-management, golang, payment-gateway, ticketing-system, timeout-manager
- Language: Go
- Homepage: https://pkg.go.dev/github.com/9ssi7/tguard
- Size: 19.5 KB
- Stars: 1
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# tguard (time guard) Package
The `tguard` package is designed to manage data with specific timeouts. It offers functionalities to start, cancel, and manage data based on their time-to-live (TTL) settings.
## Installation
```bash
go get github.com/9ssi7/tguard
```
## Potential Use-Cases
### Real-World Example: Ticketing System
The `tguard` package can be used in a ticketing system to manage reservations with a specific time limit. Here's a Mermaid diagram illustrating the flow:
```mermaid
graph TD
A[Start] --> B[Request Ticket]
B --> C[Add to tguard]
C --> D[Process Payment]
D --> E[Confirm Reservation]
E --> F[End]
C -->|Timeout| G[Cancel Reservation]
G --> F
```
## Documentation
[](https://pkg.go.dev/github.com/9ssi7/tguard)
## Usage
### Import the Package
```go
import "github.com/9ssi7/tguard"
```
### Define Your Data Structure
Define the structure of your data, which should include an identifier (`Id`) and any other relevant fields.
```go
type TestData struct {
Id string `json:"id"`
Name string `json:"name"`
}
```
### Implement the Identity Checker
Implement an identity checker function to verify the data's identity.
```go
identityChecker := func(id string, data TestData) bool {
return id == data.Id
}
```
### Create Configuration
Create a configuration for the `tguard` service, specifying the fallback function, identity checker, default TTL, and interval.
```go
config := tguard.Config[TestData]{
Fallback: func(data TestData) {},
IdentityChecker: identityChecker,
DefaultTTL: time.Minute * 5,
Interval: time.Second * 10,
}
```
### Create and Start the Service
Create a new `tguard` service instance using the configuration and start the service.
```go
g := tguard.New(config)
ctx := context.Background()
go g.Connect(ctx)
```
### Manage Data
Use the `Start` method to add data and the `Cancel` method to remove data if needed.
```go
data := TestData{
Id: "1",
Name: "test",
}
_ = g.Start(ctx, data)
```
## Full Example
Here's a complete example demonstrating how to use the `tguard` package:
```go
// Import required packages
import (
"context"
"time"
"github.com/9ssi7/tguard"
)
// Define the data structure
type TestData struct {
Id string `json:"id"`
Name string `json:"name"`
}
func main() {
// Implement the identity checker
identityChecker := func(id string, data TestData) bool {
return id == data.Id
}
// Create the configuration
config := tguard.Config[TestData]{
Fallback: func(data TestData) {},
IdentityChecker: identityChecker,
DefaultTTL: time.Minute * 5,
Interval: time.Second * 10,
}
// Create and start the service
g := tguard.New(config)
ctx := context.Background()
go g.Connect(ctx)
// Manage data
data := TestData{
Id: "1",
Name: "test",
}
_ = g.Start(ctx, data)
}
```
## Without Standart TTL Example
By default, tguard uses the same ttl time for each data. For example, if you set the defaultTTL value to 7 minutes, whatever data comes in will expire 7 minutes after the data is saved.
However, with an update we made, we thought that each data could have its own TTL time. This is especially valuable for survey systems. One user may finish the survey after 5 minutes, another may finish it after 30 minutes.
That's exactly what we're doing in this example.
```go
import (
"context"
"time"
"github.com/9ssi7/tguard"
)
type PollData struct {
Id string `json:"id"`
Name string `json:"name"`
Options []string `json:"options"`
EndTime time.Time `json:"end_time"`
}
func main() {
identityChecker := func(id string, data TestData) bool {
return id == data.Id
}
// Create the configuration
config := tguard.Config[TestData]{
Fallback: func(data TestData) {},
IdentityChecker: identityChecker,
Interval: time.Second * 1,
WithStandardTTL: false,
Now: time.Now, // you can change it for location time
}
// Create and start the service
g := tguard.New(config)
ctx := context.Background()
go g.Connect(ctx)
// Manage data
data := PollData{
Id: "1",
Name: "test",
Options: []string{"a", "b", "c"},
EndTime: time.Now().Add(time.Minute * 5),
}
_ = g.Start(ctx, data, data.EndTime.Sub(time.Now())) // ttl time is 5 minutes
data2 := PollData{
Id: "2",
Name: "test2",
Options: []string{"a", "b", "c"},
EndTime: time.Now().Add(time.Minute * 10),
}
_ = g.Start(ctx, data2, data2.EndTime.Sub(time.Now())) // ttl time is 10 minutes
}
```
## Contributing
Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.
## License
This project is licensed under the Apache License. See [LICENSE](LICENSE) for more details.