Refined comparison page
This commit is contained in:
parent
189c8cd2f7
commit
388dbd90b2
7 changed files with 265 additions and 188 deletions
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@ -2,22 +2,24 @@ import os
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import pandas as pd
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import numpy as np
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from scraper.top100_extractor import programming_crime_list
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from typing import Optional
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COMPANIES_CSV_PATH: str = 'scraper/companies.csv'
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COMPANY_DATA_CSV_PATH: str = 'Elaborated_Data/normalized_data.csv'
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ROOT_PATH: str = os.path.join(os.path.dirname(__file__), '..', '..')
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COMPANIES_CSV_PATH: str = os.path.join('scraper', 'companies.csv')
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COMPANY_DATA_CSV_PATH: str = os.path.join('Elaborated_Data', 'normalized_data.csv')
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def non_nan(a: list[any]) -> list[any]:
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return list(filter(lambda a: type(a) == str or not np.isnan(a), a))
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def get_companies(root_dir: str) -> list[dict]:
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def get_companies(tickers: Optional[list[str]] = None) -> list[dict]:
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"""
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reads the companies.csv file and returns it as a JSON-ifiable object
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to return to the frontend.
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"""
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df = pd.read_csv(os.path.join(root_dir, COMPANIES_CSV_PATH), index_col='ticker')
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tickers = pd.Series(programming_crime_list)
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df = pd.read_csv(os.path.join(ROOT_PATH, COMPANIES_CSV_PATH), index_col='ticker')
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tickers = pd.Series(programming_crime_list if tickers is None else tickers)
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df = df.loc[df.index.isin(tickers), :]
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df['tags'] = df[['tag 1', 'tag 2', 'tag 3']].values.tolist()
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df['tags'] = df['tags'].apply(non_nan)
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@ -26,7 +28,7 @@ def get_companies(root_dir: str) -> list[dict]:
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del df['tag 3']
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# Include company metrics
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df_data = pd.read_csv(os.path.join(root_dir, COMPANY_DATA_CSV_PATH), index_col='Ticker') \
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df_data = pd.read_csv(os.path.join(ROOT_PATH, COMPANY_DATA_CSV_PATH), index_col='Ticker') \
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.loc[:, ['Valuation', 'Financial Health', 'Estimated Growth', 'Past Performance']]
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# Compute limits of metrics
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@ -25,11 +25,13 @@ export interface PriceHistory {
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[ticker: string]: string | number; // really just number
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}
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export const getCompanies = (): Promise<Company[]> =>
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fetch(BACKEND_URL + '/companies').then(r => r.json()).then(list => list.map((e: Company) => ({
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export const getCompanies = (tickers?: string[]): Promise<Company[]> =>
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fetch(BACKEND_URL + '/companies' + (tickers ? ('/' + tickers.join('/')) : ''))
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.then(r => r.json())
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.then(list => list.map((e: Company) => ({
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...e,
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logoSrc: `${BACKEND_URL}/companies/logos/${e.ticker}`
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})));
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export const getPriceHistory = (tickers: string[]): Promise<PriceHistory[]> =>
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fetch(BACKEND_URL + '/price_history/' + tickers.join(',').toUpperCase()).then(r => r.json())
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fetch(BACKEND_URL + '/price_history/' + tickers.join('/').toUpperCase()).then(r => r.json())
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17
stockingly-frontend/src/api/loader.ts
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17
stockingly-frontend/src/api/loader.ts
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@ -0,0 +1,17 @@
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import { reactive } from "vue";
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export const defineLoader = <ApiResult>(apiCall: () => Promise<ApiResult>) => reactive({
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loading: true,
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data: undefined as ApiResult | undefined,
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async load() {
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try {
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const result: ApiResult = await apiCall();
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this.data = result;
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} catch (e) {
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console.error(e);
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alert('Error loading data'); // don't do this for the final product
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}
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this.loading = false;
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console.log(this.data, this.loading);
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}
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})
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170
stockingly-frontend/src/components/CompanyCard.vue
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170
stockingly-frontend/src/components/CompanyCard.vue
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@ -0,0 +1,170 @@
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<template>
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<v-card :class="{
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'ma-1': true,
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'fill-height': true,
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'd-flex': true,
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'flex-column': true,
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'text-white': props.markerColor
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}" :color="props.markerColor ?? void (0)">
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<div class="pa-4 bg-white">
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<v-img :src="company.logoSrc" :aspect-ratio="4.5" class="bg-white" />
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</div>
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<v-card-item>
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<v-card-title>{{ company['short name'] }}</v-card-title>
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<v-card-subtitle>{{ company['company name'] }}</v-card-subtitle>
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</v-card-item>
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<v-card-text class="flex-0" v-if="!props.minimal">
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<p class="text--primary">
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{{ company.description }}
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</p>
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<div class="pt-2 pb-2" v-for="m in metrics" :key="m.title">
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<div class="d-inline-flex justify-space-between" style="width: 100%">
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<strong>{{ m.title }}</strong>
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<span class="text-right">{{ m.value(company) }}{{ m.symbol ?? '' }}</span>
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</div>
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<v-progress-linear :color="m.color(company)" :model-value="m.percentage(company)"></v-progress-linear>
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</div>
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</v-card-text>
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<div class="px-4 flex-0">
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<v-chip label :color="props.markerColor ? void(0) : 'pink'" class="ma-1">
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<v-icon start icon="mdi-chart-timeline-variant"></v-icon>
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{{ company.ticker }}
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</v-chip>
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<template v-if="!props.minimal">
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<v-chip label color="green" class="ma-1">
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<v-icon start icon="mdi-currency-usd"></v-icon>
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{{ formatCurrency(company['market cap']) }}
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</v-chip>
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<template v-for="tag in company.tags" :key="tag">
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<v-chip label class="ma-1" :color="props.highlightTag === tag ? 'teal' : void (0)"
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@click="emit('tagClicked', tag)">
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{{ tag }}
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</v-chip>
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</template>
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</template>
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</div>
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<slot></slot>
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</v-card>
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</template>
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<script setup lang="ts">
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import { Company } from '@/api';
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import { roundTo } from 'round-to';
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import { reactive, computed } from 'vue';
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const props = defineProps<{
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company: Company,
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highlightTag?: string,
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minimal?: boolean,
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markerColor?: string
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}>();
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const emit = defineEmits<{
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(e: 'tagClicked', tag: string): void
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}>()
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const company = computed(() => props.company);
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type ColorScale = { gt?: number, color: string }[];
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interface Metric {
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title: string,
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minValue: number,
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maxValue: number,
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value: (c: Company) => number // in [0, 100],
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symbol?: string,
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decimals?: number
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scale: ColorScale
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}
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// COLORS from Pietro:
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// Valuation: < 1 ( GREEN); > 1 (RED); = 1 (ORANGE)
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// Financial Health: < 1 (GREEN); > 1 (RED); = 1 (ORANGE)
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// Growth: < 0 (RED); 0 < x < 8% (ORANGE); < 8 % (GREEN)
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// Past performance: -100 < x < 0 (RED); = 0 (ORANGE); 0 < x < 100 (GREEN)
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const COLORS = {
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good: 'success',
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warning: 'warning',
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bad: 'error'
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};
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const metricsData = reactive<Metric[]>([
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{
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title: 'Valuation',
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minValue: 0,
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maxValue: 150,
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value: c => c['Valuation'],
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scale: [
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{ gt: 1.1, color: COLORS.bad },
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{ gt: 0.9, color: COLORS.warning },
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{ color: COLORS.good }
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]
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},
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{
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title: 'Financial Health',
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minValue: 0,
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maxValue: 500,
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value: c => c['Financial Health'],
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scale: [
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{ gt: 1.1, color: COLORS.bad },
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{ gt: 0.9, color: COLORS.warning },
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{ color: COLORS.good }
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]
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},
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{
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title: 'Estimated Growth',
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minValue: 0,
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maxValue: 200,
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value: c => c['Estimated Growth'],
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symbol: ' %',
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scale: [
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{ gt: 8, color: COLORS.good },
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{ gt: 0, color: COLORS.warning },
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{ color: COLORS.bad }
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]
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},
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{
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title: 'Past Performance',
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minValue: -100,
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maxValue: 200,
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value: c => c['Past Performance'],
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symbol: ' %',
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scale: [
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{ gt: 5, color: COLORS.good },
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{ gt: -5, color: COLORS.warning },
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{ gt: -Infinity, color: COLORS.bad }
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]
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}
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]);
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type ExtendedMetric = Metric & {
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percentage: (c: Company) => number,
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color: (c: Company) => string
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}
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const metrics = computed<ExtendedMetric[]>(() => metricsData.map(e => ({
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...e,
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percentage: (c: Company) => (e.value(c) - e.minValue) * 100 / (e.maxValue - e.minValue),
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value: (c: Company) => roundTo(e.value(c), e.decimals ?? 2),
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color: (c: Company) => {
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const value = e.value(c);
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for (const s of e.scale) {
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if (typeof s.gt !== 'number' || value > s.gt) {
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return s.color;
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}
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}
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return 'blue-grey' // default value, should never be displayed
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}
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})));
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const formatCurrency = (d: number) => {
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if (d < 1000) return `${d}`;
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if (d < 1_000_000) return `${Math.round(d / 1000)} K`;
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if (d < 1_000_000_000) return `${Math.round(d / 1_000_000)} M`
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return `${Math.round(d / 1_000_000_000)} B`
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}
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</script>
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@ -8,6 +8,21 @@
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</v-app-bar-title>
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</v-app-bar>
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<v-container class="fill-height">
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<v-row style="width: 100%">
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<h1 class="ma-4">Company comparison</h1>
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</v-row>
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<v-row>
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<template v-if="companies.loading" v-for="i in tickers" :key="i">
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<v-col cols="12" md="6" lg="4">
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<v-skeleton-loader class="mx-auto" type="card"></v-skeleton-loader>
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</v-col>
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</template>
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<template v-else>
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<v-col cols="12" md="6" lg="4" v-for="company in companies.data" :key="company.ticker">
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<company-card :company="company" minimal :marker-color="getTickerColor(company.ticker)" />
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</v-col>
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</template>
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</v-row>
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<v-row>
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<v-col cols="12">
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<v-card>
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@ -23,7 +38,7 @@
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<v-btn value="5Y">5Y</v-btn>
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<v-btn value="MAX">Max</v-btn>
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</v-btn-toggle>
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<v-skeleton-loader class="chart-loader" v-if="loading" />
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<v-skeleton-loader class="chart-loader" v-if="stockPrice.loading" />
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<ag-charts-vue class="chart" v-else :options="options" />
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</v-card-text>
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</v-card>
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@ -45,14 +60,16 @@
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</style>
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<script setup lang="ts">
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import { AgAxisLabelFormatterParams, AgSeriesTooltipRendererParams, time } from 'ag-charts-community';
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import { AgAxisLabelFormatterParams, time } from 'ag-charts-community';
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import { AgChartsVue } from 'ag-charts-vue3';
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import { ref, onMounted, computed } from 'vue';
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import { useRoute, useRouter } from 'vue-router';
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import { PriceHistory, getPriceHistory } from '@/api';
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import { Company, PriceHistory, getCompanies, getPriceHistory } from '@/api';
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import { DateTime, DurationLike } from 'luxon';
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import { TimeInterval } from 'ag-charts-community/dist/cjs/es5/util/time/interval';
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import { roundTo } from 'round-to';
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import { defineLoader } from '@/api/loader';
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import CompanyCard from '@/components/CompanyCard.vue';
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const route = useRoute();
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const router = useRouter();
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@ -62,6 +79,8 @@ const goHome = () => router.push('/');
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type TimeOptions = '1M' | '3M' | '6M' | '1Y' | '5Y' | 'MAX';
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const timeToggle = ref<TimeOptions>('1M');
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const companies = defineLoader<Company[]>(() => getCompanies(tickers.value));
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const stockPrice = defineLoader<PriceHistory[]>(() => getPriceHistory(tickers.value));
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const optToDuration: Record<TimeOptions, [DurationLike | undefined, TimeInterval, string]> = {
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'1M': [{ months: 1 }, time.day, '%d'],
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@ -69,19 +88,19 @@ const optToDuration: Record<TimeOptions, [DurationLike | undefined, TimeInterval
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'6M': [{ months: 6 }, time.friday.every(2), '%m-%d'],
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'1Y': [{ years: 1 }, time.month, '%Y-%m'],
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'5Y': [{ years: 5 }, time.month.every(3, {
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snapTo: DateTime.utc(2000, 1, 1).toJSDate()
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snapTo: DateTime.utc(2000, 1, 1).toJSDate() // snap to solar year quarters
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}), '%Y-%m'],
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'MAX': [undefined, time.year.every(2), '%Y']
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};
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const loading = ref<boolean>(true);
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const priceHistoryData = ref<PriceHistory[]>([]);
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const tickers = ref<string[]>([]);
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const colors = ['#E91E63', '#FF9800', '#3F51B5'];
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const colors = ['#9C27B0', '#D32F2F', '#3F51B5'];
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const getTickerColor = (ticker: string) => colors[tickers.value.indexOf(ticker)];
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const options = computed(() => {
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if (loading.value) return null;
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if (stockPrice.loading) return null;
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const maxDate = DateTime.now();
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const opts = optToDuration[timeToggle.value];
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@ -94,16 +113,16 @@ const options = computed(() => {
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return {
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theme: 'ag-material',
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data: priceHistoryData.value.map(e => ({ ...e, date: Date.parse(e.date) })),
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series: tickers.value.map((t: string, i: number) => ({
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data: stockPrice.data?.map(e => ({ ...e, date: Date.parse(e.date) })),
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series: tickers.value.map((t: string) => ({
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xKey: 'date',
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yKey: t,
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yName: t,
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stroke: colors[i],
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stroke: getTickerColor(t),
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tooltip: { renderer: renderer },
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marker: {
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fill: colors[i],
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stroke: colors[i]
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fill: getTickerColor(t),
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stroke: getTickerColor(t)
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}
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})),
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axes: [
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@ -127,7 +146,9 @@ const options = computed(() => {
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label: {
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format: '$~s',
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formatter: (params: AgAxisLabelFormatterParams) =>
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params?.formatter?.(params.value).replace('k', 'K').replace('G', 'B') ?? ''
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params?.formatter?.(params.value)
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.replace('k', 'K')
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.replace('G', 'B') ?? ''
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},
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},
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],
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@ -140,11 +161,7 @@ const options = computed(() => {
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// load chart data
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onMounted(() => {
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tickers.value = route.params.tickers.toString().split(',');
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getPriceHistory(tickers.value).then((p: PriceHistory[]) => {
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loading.value = false;
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priceHistoryData.value = p;
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stockPrice.load();
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companies.load();
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});
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});
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</script>
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@ -17,47 +17,9 @@
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<v-skeleton-loader class="mx-auto" type="card"></v-skeleton-loader>
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</v-col>
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</template>
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<template v-else v-for="company in filteredCompanies" :key="company.ticker">
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<v-col cols="12" md="6" lg="4">
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<v-card class="ma-1 fill-height d-flex flex-column">
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<div class="d-flex stretch align-center flex-0">
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<div class="flex-0 pa-3">
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<img style="max-height: 36px; min-height: 24px;" :src="company.logoSrc" />
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</div>
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<v-card-item style="flex: 1 !important">
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<v-card-title>{{ company['short name'] }}</v-card-title>
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<v-card-subtitle>{{ company['company name'] }}</v-card-subtitle>
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</v-card-item>
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</div>
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<v-card-text class="flex-0">
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<p class="text--primary">
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{{ company.description }}
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</p>
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<div class="pt-2 pb-2" v-for="m in metrics" :key="m.title">
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<div class="d-inline-flex justify-space-between" style="width: 100%">
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<strong>{{ m.title }}</strong>
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<span class="text-right">{{ m.value(company) }}{{ m.symbol ?? '' }}</span>
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</div>
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<v-progress-linear :color="m.color(company)" :model-value="m.percentage(company)"></v-progress-linear>
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</div>
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</v-card-text>
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<div class="px-4 flex-0">
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<v-chip label color="pink" class="ma-1">
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<v-icon start icon="mdi-chart-timeline-variant"></v-icon>
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{{ company.ticker }}
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</v-chip>
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<v-chip label color="green" class="ma-1">
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<v-icon start icon="mdi-currency-usd"></v-icon>
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{{ formatCurrency(company['market cap']) }}
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</v-chip>
|
||||
<template v-for="tag in company.tags" :key="tag">
|
||||
<v-chip label class="ma-1" :color="searchText == tag ? 'teal' : void (0)" @click="setSearch(tag)">{{ tag
|
||||
}}</v-chip>
|
||||
</template>
|
||||
</div>
|
||||
|
||||
<template v-else>
|
||||
<v-col cols="12" md="6" lg="4" v-for="company in filteredCompanies" :key="company.ticker">
|
||||
<company-card :company="company" :highlight-tag="searchText" @tag-clicked="setSearch($event)">
|
||||
<v-card-actions class="flex-1">
|
||||
<v-btn :variant="isSelected(company.ticker) ? 'tonal' : 'text'"
|
||||
@click="(isSelected(company.ticker) ? unselect : select)(company.ticker)"
|
||||
|
|
@ -65,6 +27,13 @@
|
|||
{{ isSelected(company.ticker) ? 'Unselect' : 'Select' }}
|
||||
</v-btn>
|
||||
</v-card-actions>
|
||||
</company-card>
|
||||
</v-col>
|
||||
<v-col cols="12" md="6" lg="4" v-if="filteredCompanies.length === 0">
|
||||
<v-card>
|
||||
<v-card-text>
|
||||
No companies found.
|
||||
</v-card-text>
|
||||
</v-card>
|
||||
</v-col>
|
||||
</template>
|
||||
|
|
@ -88,11 +57,11 @@
|
|||
|
||||
<script lang="ts" setup>
|
||||
import { getCompanies, Company } from '@/api';
|
||||
import { ref, reactive, computed, watch } from 'vue';
|
||||
import { roundTo } from 'round-to';
|
||||
import { ref, reactive, watch } from 'vue';
|
||||
import debounce from 'debounce';
|
||||
import Fuse from 'fuse.js';
|
||||
import { useRouter } from 'vue-router';
|
||||
import CompanyCard from '@/components/CompanyCard.vue';
|
||||
|
||||
const MAX_SELECT = 3;
|
||||
|
||||
|
|
@ -139,110 +108,10 @@ const goToComparison = (tickers: string[]) => router.push('/comparison/' + ticke
|
|||
|
||||
watch(filteredCompanies, () => loading.value = false);
|
||||
|
||||
type ColorScale = { gt?: number, color: string }[];
|
||||
|
||||
interface Metric {
|
||||
title: string,
|
||||
minValue: number,
|
||||
maxValue: number,
|
||||
value: (c: Company) => number // in [0, 100],
|
||||
symbol?: string,
|
||||
decimals?: number
|
||||
scale: ColorScale
|
||||
}
|
||||
|
||||
// COLORS from Pietro:
|
||||
// Valuation: < 1 ( GREEN); > 1 (RED); = 1 (ORANGE)
|
||||
// Financial Health: < 1 (GREEN); > 1 (RED); = 1 (ORANGE)
|
||||
// Growth: < 0 (RED); 0 < x < 8% (ORANGE); < 8 % (GREEN)
|
||||
// Past performance: -100 < x < 0 (RED); = 0 (ORANGE); 0 < x < 100 (GREEN)
|
||||
|
||||
const COLORS = {
|
||||
good: 'success',
|
||||
warning: 'warning',
|
||||
bad: 'error'
|
||||
};
|
||||
|
||||
const metricsData = reactive<Metric[]>([
|
||||
{
|
||||
title: 'Valuation',
|
||||
minValue: 0,
|
||||
maxValue: 150,
|
||||
value: c => c['Valuation'],
|
||||
scale: [
|
||||
{ gt: 1.1, color: COLORS.bad },
|
||||
{ gt: 0.9, color: COLORS.warning },
|
||||
{ color: COLORS.good }
|
||||
]
|
||||
},
|
||||
{
|
||||
title: 'Financial Health',
|
||||
minValue: 0,
|
||||
maxValue: 500,
|
||||
value: c => c['Financial Health'],
|
||||
scale: [
|
||||
{ gt: 1.1, color: COLORS.bad },
|
||||
{ gt: 0.9, color: COLORS.warning },
|
||||
{ color: COLORS.good }
|
||||
]
|
||||
},
|
||||
{
|
||||
title: 'Estimated Growth',
|
||||
minValue: 0,
|
||||
maxValue: 200,
|
||||
value: c => c['Estimated Growth'],
|
||||
symbol: ' %',
|
||||
scale: [
|
||||
{ gt: 8, color: COLORS.good },
|
||||
{ gt: 0, color: COLORS.warning },
|
||||
{ color: COLORS.bad }
|
||||
]
|
||||
},
|
||||
{
|
||||
title: 'Past Performance',
|
||||
minValue: -100,
|
||||
maxValue: 200,
|
||||
value: c => c['Past Performance'],
|
||||
symbol: ' %',
|
||||
scale: [
|
||||
{ gt: 5, color: COLORS.good },
|
||||
{ gt: -5, color: COLORS.warning },
|
||||
{ gt: -Infinity, color: COLORS.bad }
|
||||
]
|
||||
}
|
||||
]);
|
||||
|
||||
type ExtendedMetric = Metric & {
|
||||
percentage: (c: Company) => number,
|
||||
color: (c: Company) => string
|
||||
}
|
||||
|
||||
const metrics = computed<ExtendedMetric[]>(() => metricsData.map(e => ({
|
||||
...e,
|
||||
percentage: (c: Company) => (e.value(c) - e.minValue) * 100 / (e.maxValue - e.minValue),
|
||||
value: (c: Company) => roundTo(e.value(c), e.decimals ?? 2),
|
||||
color: (c: Company) => {
|
||||
const value = e.value(c);
|
||||
for (const s of e.scale) {
|
||||
if (typeof s.gt !== 'number' || value > s.gt) {
|
||||
return s.color;
|
||||
}
|
||||
}
|
||||
return 'blue-grey' // default value, should never be displayed
|
||||
}
|
||||
})));
|
||||
|
||||
getCompanies().then(cs => {
|
||||
companies.value = cs;
|
||||
const myIndex = Fuse.createIndex(['ceo', 'company name', 'description', 'sector', 'tags', 'ticker', 'website'], cs);
|
||||
fuse = new Fuse(cs, { threshold: 0.5, ignoreLocation: true }, myIndex);
|
||||
filteredCompanies.value = cs;
|
||||
});
|
||||
|
||||
const formatCurrency = (d: number) => {
|
||||
if (d < 1000) return `${d}`;
|
||||
if (d < 1_000_000) return `${Math.round(d / 1000)} K`;
|
||||
if (d < 1_000_000_000) return `${Math.round(d / 1_000_000)} M`
|
||||
return `${Math.round(d / 1_000_000_000)} B`
|
||||
}
|
||||
</script>
|
||||
|
|
|
|||
|
|
@ -6,7 +6,7 @@ from backend.api.closing_price import get_closing_price_hist
|
|||
import os
|
||||
import sys
|
||||
import subprocess
|
||||
|
||||
from typing import Optional
|
||||
|
||||
ROOT_DIR: str = os.path.dirname(__file__)
|
||||
|
||||
|
|
@ -24,14 +24,14 @@ def index():
|
|||
|
||||
|
||||
@app.route('/companies', methods=['GET'])
|
||||
def companies() -> object:
|
||||
return jsonify(get_companies(ROOT_DIR))
|
||||
@app.route('/companies/<path:tickers>', methods=['GET'])
|
||||
def companies(tickers: Optional[str] = None) -> object:
|
||||
return jsonify(get_companies(None if tickers is None else tickers.split('/')))
|
||||
|
||||
|
||||
@app.route('/price_history/<tickers>', methods=['GET'])
|
||||
def price_history(tickers) -> object:
|
||||
tickers: list[str] = str(tickers).split(',')
|
||||
return jsonify(get_closing_price_hist(tickers))
|
||||
@app.route('/price_history/<path:tickers>', methods=['GET'])
|
||||
def price_history(tickers: Optional[str]) -> object:
|
||||
return jsonify(get_closing_price_hist(tickers.split('/')))
|
||||
|
||||
|
||||
@app.route('/companies/logos/<ticker>')
|
||||
|
|
|
|||
Reference in a new issue