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56 lines
1.3 KiB
56 lines
1.3 KiB
package widgets
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"time"
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"github.com/jacobmveber-01839764/BudgetBuddy/db"
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"github.com/jacobmveber-01839764/BudgetBuddy/money"
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"go.mongodb.org/mongo-driver/bson"
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"go.mongodb.org/mongo-driver/bson/primitive"
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)
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func GetMonthExpenses(w http.ResponseWriter, r *http.Request) {
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// get session key from request
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session := r.Header.Get("x-session-key")
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// get collection handle from db
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var userCollection = db.Client.Database("budgetbuddy").Collection("users")
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var user = db.UserSchema{}
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err := userCollection.FindOne(context.Background(), bson.D{primitive.E{Key: "session", Value: session}}).Decode(&user)
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if err != nil {
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w.WriteHeader(http.StatusUnauthorized)
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fmt.Fprintf(w, "{\"error\":\"invalid session key\"}")
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return
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}
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if user.Expenses == nil {
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user.Expenses = make([]db.Transaction, 0)
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}
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total := money.Money{}
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total.Currency = user.Balance.Currency
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for i := 0; i < len(user.Expenses); i++ {
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// stop if/when we get past a month ago
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if user.Expenses[i].Timestamp < time.Now().Add(-30*24*time.Hour).Unix() {
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break
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}
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total = money.Add(user.Expenses[i].Amount, total)
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}
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ret, err := json.Marshal(total)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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fmt.Fprintf(w, "{\"error\":\"problem marshalling response\"}")
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return
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}
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w.Write(ret)
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}
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