Create simple book order page with cards and plaintext

api/views.py

@@ -99,7 +99,6 @@ class OrderView(APIView):
 
         return Response({'Bad Request':'Order ID parameter not found in request'}, status=status.HTTP_400_BAD_REQUEST)
 
-
 class UserGenerator(APIView):
     lookup_url_kwarg = 'token'
     NickGen = NickGenerator(
@@ -143,7 +142,8 @@ class UserGenerator(APIView):
         # generate avatar
         rh = Robohash(hash)
         rh.assemble(roboset='set1') # bgset='any' for backgrounds ON
-    
+
+        # replaces image if existing (in of case nickname collusion avatar would change!)
         with open(avatar_path.joinpath(nickname+".png"), "wb") as f:
             rh.img.save(f, format="png")
 
@@ -168,8 +168,6 @@ class UserGenerator(APIView):
                 context['bad_request'] = 'Enter a different token'
                 return Response(context, status=status.HTTP_403_FORBIDDEN)
 
-        
-
     def delete(self,request):
         user = User.objects.get(id = request.user.id)
 
@@ -201,7 +199,6 @@ class BookView(APIView):
         for order in queryset:
             data = OrderSerializer(order).data
             user = User.objects.filter(id=data['maker'])
-            print(user)
             if len(user) == 1:
                 data['maker_nick'] = user[0].username
             # TODO avoid sending status and takers for book views

frontend/src/components/BookPage.js

@@ -1,27 +1,154 @@
 import React, { Component } from "react";
+import { Paper, Button , Card, CardActionArea, CardContent, Typography, Grid, Select, MenuItem, FormControl, FormHelperText, List, ListItem, ListItemText, Avatar, Link, RouterLink} from "@material-ui/core"
 
 export default class BookPage extends Component {
-    constructor(props) {
+  constructor(props) {
-      super(props);
+    super(props);
-      this.state = {
+    this.state = {
-        orders: null,
+      orders: new Array(),
-      };
+      currency: 1,
-      this.currency = 2;
+      type: 1,
-      this.type = 1;
+    };
-      this.getOrderDetails()
+    this.getOrderDetails()
-    }
+    this.state.currencyCode = this.getCurrencyCode(this.state.currency)
-    getOrderDetails() {
+  }
-      fetch('/api/book' + '?currency=' + this.currency + "&type=" + this.type)
+
-        .then((response) => response.json())
+  // Fix needed to handle HTTP 404 error when no order is found
-        .then((data) => console.log(data));
+  // Show message to be the first one to make an order
-        // this.setState({orders: data}));
+  getOrderDetails() {
-    }
+    fetch('/api/book' + '?currency=' + this.state.currency + "&type=" + this.state.type)
-    render() {
+      .then((response) => response.json())
-        return (
+      .then((data) => //console.log(data));
-        <div className="col">
+      this.setState({orders: data}));
-        <h1>Book</h1>
+  }
-        {/* {this.state.orders.map(order => <div>{order.maker_nick}</div>)} */}
+
-      </div>
+  handleCardClick=(orderId)=>{
-      );
+    this.props.history.push('/order/' + orderId)
-    }
+  }
+
+  // Make these two functions sequential. getOrderDetails needs setState to be finish beforehand.
+  handleTypeChange=(e)=>{
+    this.setState({
+        type: e.target.value,     
+    });
+    this.getOrderDetails();
+  }
+  handleCurrencyChange=(e)=>{
+    this.setState({
+        currency: e.target.value,
+        currencyCode: this.getCurrencyCode(e.target.value),
+    })
+    this.getOrderDetails();
+  }
+
+  // Gets currency 3 letters code from numeric (e.g., 1 -> USD)
+  // Improve this function so currencies are read from json
+  getCurrencyCode(val){
+    var code = (this.state.currency== 1 ) ? "USD": ((this.state.currency == 2 ) ? "EUR":"ETH")
+    return (code)
+  }
+
+  // pretty numbers
+  pn(x) {
+    return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+  }
+
+  render() {
+      return (
+        <Grid className='orderBook' container spacing={1}>
+          <Grid item xs={12} align="center">
+            <Typography component="h4" variant="h4">
+              Order Book
+            </Typography>
+          </Grid>
+
+          <Grid item xs={6} align="right">
+            <FormControl >
+              <FormHelperText>
+                I want to 
+              </FormHelperText>
+              <Select
+                  label="Select Order Type"
+                  required="true" 
+                  value={this.state.type} 
+                  inputProps={{
+                      style: {textAlign:"center"}
+                  }}
+                  onChange={this.handleTypeChange}
+              >
+                  <MenuItem value={1}>BUY</MenuItem>
+                  <MenuItem value={0}>SELL</MenuItem>
+              </Select>
+            </FormControl>
+          </Grid>
+
+          <Grid item xs={6} align="left">
+            <FormControl >
+              <FormHelperText>
+                And pay with 
+              </FormHelperText>
+              <Select
+                  label="Select Payment Currency"
+                  required="true" 
+                  value={this.state.currency} 
+                  inputProps={{
+                      style: {textAlign:"center"}
+                  }}
+                  onChange={this.handleCurrencyChange}
+              >
+                  <MenuItem value={1}>USD</MenuItem>
+                  <MenuItem value={2}>EUR</MenuItem>
+                  <MenuItem value={3}>ETH</MenuItem>
+              </Select>
+            </FormControl>
+          </Grid>
+          {this.state.orders.map((order) =>
+          <Grid container item sm={6}>
+            <Card >
+              {/* Linking to order details not working yet as expected */}
+              {/* <CardActionArea onClick={this.handleCardClick(order.id)} component={RouterLink} to="/order"> */}
+              <CardActionArea >
+                <CardContent>
+                  <Avatar
+                      alt={order.maker_nick}
+                      src={window.location.origin +'/static/assets/avatars/' + order.maker_nick + '.png'} 
+                      />
+                  <Typography gutterBottom variant="h5" component="div">
+                    {order.maker_nick}
+                  </Typography>
+
+                  <Typography variant="body2" color="text.secondary">
+                    {/* CARD PARAGRAPH CONTENT */}
+                    {order.type == 0 ? "Buys bitcoin for " : "Sells bitcoin for "} 
+                    {parseFloat(parseFloat(order.amount).toFixed(4))} 
+                    {" " +this.getCurrencyCode(order.currency)}.
+
+                    Prefers payment via {order.payment_method}.
+                    
+                    This offer is priced 
+                    {order.is_explicit ? 
+                    " explicitly at " + this.pn(order.satoshis) + " Sats" : (
+                    " relative to the market at a premium of " + 
+                    parseFloat(parseFloat(order.premium).toFixed(4)) + "%"                     
+                    )}.
+                    Currently that is {"42,354"} {this.getCurrencyCode(order.currency)}/BTC.
+                  </Typography>
+                </CardContent>
+              </CardActionArea>
+            </Card>
+            </Grid>
+          )}
+          <Grid item xs={12} align="center">
+            <Typography component="h5" variant="h5">
+              You are {this.state.type == 0 ? " selling " : " buying "} BTC for {this.state.currencyCode}
+            </Typography>
+          </Grid>
+          <Grid item xs={12} align="center">
+              <Button color="secondary" variant="contained" to="/" component={Link}>
+                  Back
+              </Button>
+          </Grid>
+        </Grid>
+    );
+  };
 }