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Implemented simple quote provider for ING
Can be useful for derivates. Fixes #165
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| // Copyright 2023 Christian Banse | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // This file is part of The Money Gopher. | ||
|
|
||
| package securities | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "net/http" | ||
| "time" | ||
|
|
||
| portfoliov1 "github.com/oxisto/money-gopher/gen" | ||
| ) | ||
|
|
||
| const QuoteProviderING = "ing" | ||
|
|
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| type ing struct { | ||
| http.Client | ||
| } | ||
|
|
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| type header struct { | ||
| Ask float32 `json:"ask"` | ||
| AskDate time.Time `json:"askDate"` | ||
| Bid float32 `json:"bid"` | ||
| BidDate time.Time `json:"bidDate"` | ||
| Currency string `json:"currency"` | ||
| ISIN string `json:"isin"` | ||
| HasBidAsk bool `json:"hasBidAsk"` | ||
| Price float32 `json:"price"` | ||
| PriceChangedDate time.Time `json:"priceChangeDate"` | ||
| WKN string `json:"wkn"` | ||
| } | ||
|
|
||
| func (ing *ing) LatestQuote(ctx context.Context, ls *portfoliov1.ListedSecurity) (quote float32, t time.Time, err error) { | ||
| var ( | ||
| res *http.Response | ||
| h header | ||
| ) | ||
|
|
||
| res, err = ing.Get(fmt.Sprintf("https://component-api.wertpapiere.ing.de/api/v1/components/instrumentheader/%s", ls.SecurityName)) | ||
| if err != nil { | ||
| return 0, t, fmt.Errorf("could not fetch quote: %w", err) | ||
| } | ||
|
|
||
| err = json.NewDecoder(res.Body).Decode(&h) | ||
| if err != nil { | ||
| return 0, t, fmt.Errorf("could not decode JSON: %w", err) | ||
| } | ||
|
|
||
| if h.HasBidAsk { | ||
| return h.Bid, h.BidDate, nil | ||
| } else { | ||
| return h.Price, h.PriceChangedDate, nil | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| // Copyright 2023 Christian Banse | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // This file is part of The Money Gopher. | ||
|
|
||
| package securities | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "net/http" | ||
| "net/http/httptest" | ||
| "strings" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/oxisto/assert" | ||
| portfoliov1 "github.com/oxisto/money-gopher/gen" | ||
| ) | ||
|
|
||
| func Test_ing_LatestQuote(t *testing.T) { | ||
| type fields struct { | ||
| Client http.Client | ||
| } | ||
| type args struct { | ||
| ctx context.Context | ||
| ls *portfoliov1.ListedSecurity | ||
| } | ||
| tests := []struct { | ||
| name string | ||
| fields fields | ||
| args args | ||
| wantQuote float32 | ||
| wantTime time.Time | ||
| wantErr assert.Want[error] | ||
| }{ | ||
| { | ||
| name: "http response error", | ||
| fields: fields{ | ||
| Client: newMockClient(func(req *http.Request) (res *http.Response, err error) { | ||
| return nil, http.ErrNotSupported | ||
| }), | ||
| }, | ||
| args: args{ | ||
| ctx: context.TODO(), | ||
| ls: &portfoliov1.ListedSecurity{ | ||
| SecurityName: "My Security", | ||
| Ticker: "TICK", | ||
| Currency: "USD", | ||
| }, | ||
| }, | ||
| wantErr: func(t *testing.T, err error) bool { | ||
| return errors.Is(err, http.ErrNotSupported) | ||
| }, | ||
| }, | ||
| { | ||
| name: "invalid JSON", | ||
| fields: fields{ | ||
| Client: newMockClient(func(req *http.Request) (res *http.Response, err error) { | ||
| r := httptest.NewRecorder() | ||
| r.WriteString(`{]`) | ||
| return r.Result(), nil | ||
| }), | ||
| }, | ||
| args: args{ | ||
| ls: &portfoliov1.ListedSecurity{ | ||
| SecurityName: "My Security", | ||
| Ticker: "TICK", | ||
| Currency: "USD", | ||
| }, | ||
| }, | ||
| wantErr: func(t *testing.T, err error) bool { | ||
| return strings.Contains(err.Error(), "invalid") | ||
| }, | ||
| }, | ||
| { | ||
| name: "happy path", | ||
| fields: fields{ | ||
| Client: newMockClient(func(req *http.Request) (res *http.Response, err error) { | ||
| r := httptest.NewRecorder() | ||
| r.WriteString(`{"id":1,"name":"Call on My Security","bid": 100.0, "bidDate":"2023-05-04T20:00:00+00:00","hasBidAsk":true}`) | ||
| return r.Result(), nil | ||
| }), | ||
| }, | ||
| args: args{ | ||
| ls: &portfoliov1.ListedSecurity{ | ||
| SecurityName: "DE0000000001", | ||
| Ticker: "", | ||
| Currency: "EUR", | ||
| }, | ||
| }, | ||
| wantQuote: float32(100.0), | ||
| wantTime: time.Date(2023, 05, 04, 20, 0, 0, 0, time.UTC), | ||
| wantErr: func(t *testing.T, err error) bool { return true }, | ||
| }, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| ing := &ing{ | ||
| Client: tt.fields.Client, | ||
| } | ||
| gotQuote, gotTime, err := ing.LatestQuote(tt.args.ctx, tt.args.ls) | ||
| assert.Equals(t, true, tt.wantErr(t, err)) | ||
| assert.Equals(t, tt.wantQuote, gotQuote) | ||
| assert.Equals(t, tt.wantTime.UTC(), gotTime.UTC()) | ||
| }) | ||
| } | ||
| } |