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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| package store | ||
|
|
||
| import ( | ||
| "github.com/batazor/shortlink/pkg/link" | ||
| "github.com/gocql/gocql" | ||
| "github.com/spf13/viper" | ||
| ) | ||
|
|
||
| // CassandraConfig ... | ||
| type CassandraConfig struct { // nolint unused | ||
| URI string | ||
| } | ||
|
|
||
| // CassandraLinkList implementation of store interface | ||
| type CassandraLinkList struct { // nolint unused | ||
| client *gocql.Session | ||
| config CassandraConfig | ||
| } | ||
|
|
||
| // Init ... | ||
| func (c *CassandraLinkList) Init() error { | ||
| var err error | ||
|
|
||
| // Set configuration | ||
| c.setConfig() | ||
|
|
||
| // Connect to CassandraDB | ||
| cluster := gocql.NewCluster(c.config.URI) | ||
| cluster.Keyspace = "shortlink" | ||
|
|
||
| c.client, err = cluster.CreateSession() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // Close ... | ||
| func (c *CassandraLinkList) Close() error { | ||
| c.client.Close() | ||
| return nil | ||
| } | ||
|
|
||
| // Get ... | ||
| func (c *CassandraLinkList) Get(id string) (*link.Link, error) { | ||
| panic("implement me") | ||
|
|
||
| return nil, nil | ||
| } | ||
|
|
||
| // Add ... | ||
| func (c *CassandraLinkList) Add(data link.Link) (*link.Link, error) { | ||
| hash := data.CreateHash([]byte(data.Url), []byte("secret")) | ||
| data.Hash = hash[:7] | ||
|
|
||
| if err := c.client.Query(`INSERT INTO links (url hash describe) VALUES (?, ?, ?)`, data.Url, data.Hash, data.Describe).Exec(); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &data, nil | ||
| } | ||
|
|
||
| // List ... | ||
| func (c *CassandraLinkList) List() ([]*link.Link, error) { | ||
| iter := c.client.Query(`SELECT url, hash, describe FROM links`).Iter() | ||
|
|
||
| // Here's an array in which you can store the decoded documents | ||
| var response []*link.Link | ||
| var link link.Link | ||
|
|
||
| for iter.Scan(&link) { | ||
| response = append(response, &link) | ||
| } | ||
|
|
||
| if err := iter.Close(); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return response, nil | ||
| } | ||
|
|
||
| // Update ... | ||
| func (c *CassandraLinkList) Update(data link.Link) (*link.Link, error) { | ||
| return nil, nil | ||
| } | ||
|
|
||
| // Delete ... | ||
| func (c *CassandraLinkList) Delete(id string) error { | ||
| panic("implement me") | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // setConfig - set configuration | ||
| func (c *CassandraLinkList) setConfig() { | ||
| viper.AutomaticEnv() | ||
| viper.SetDefault("STORE_CASSANDRA_URI", "localhost") | ||
| c.config = CassandraConfig{ | ||
| URI: viper.GetString("STORE_CASSANDRA_URI"), | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| version: '2.4' | ||
|
|
||
| services: | ||
|
|
||
| cassandra: | ||
| image: cassandra:3.11 | ||
| restart: on-failure | ||
| container_name: cassandra | ||
| ports: | ||
| - 7000:7000 | ||
| - 9042:9042 | ||
| environment: | ||
| - CASSANDRA_BROADCAST_ADDRESS=host.docker.internal | ||
| - CASSANDRA_SEEDS=host.docker.internal |
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