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provider.js
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provider.js
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const danfo = require("danfojs-node");
const { response } = require("express");
const localVaccinationCSV =
"https://raw.githubusercontent.com/CITF-Malaysia/citf-public/main/vaccination/vax_malaysia.csv";
const stateVaccinationDataCSV =
"https://raw.githubusercontent.com/CITF-Malaysia/citf-public/main/vaccination/vax_state.csv";
const localVaccinationRegistrationCSV =
"https://raw.githubusercontent.com/CITF-Malaysia/citf-public/main/registration/vaxreg_malaysia.csv";
const stateVaccinationRegistrationCSV =
"https://raw.githubusercontent.com/CITF-Malaysia/citf-public/main/registration/vaxreg_state.csv";
const populationCSV =
"https://raw.githubusercontent.com/CITF-Malaysia/citf-public/main/static/population.csv";
module.exports = {
getMalaysiaVaccinationStatistic({ start_date, end_date }) {
return new Promise(async (resolve, reject) => {
try {
let datasets = await danfo.read_csv(localVaccinationCSV);
if (start_date) {
datasets = datasets.query({
column: "date",
is: ">=",
to: start_date
});
}
if (end_date) {
datasets = datasets.query({
column: "date",
is: "<=",
to: end_date
});
}
let json = await datasets.to_json();
resolve({
status: "success",
data: JSON.parse(json)
});
} catch (error) {
reject({
status: "error",
message: error.message
});
}
});
},
getMalaysiaLatestVaccinationStatistic() {
return new Promise(async (resolve, reject) => {
try {
let datasets = await danfo.read_csv(localVaccinationCSV);
let latestStateDataFrame = datasets.tail(1);
let latestStatistic = await latestStateDataFrame.to_json();
latestStatistic = JSON.parse(latestStatistic);
resolve({
status: "success",
data: latestStatistic[0] ? latestStatistic[0] : {}
});
} catch (error) {
reject({
status: "error",
message: error.message
});
}
});
},
getStateVaccinationStatistic({ state, start_date, end_date }) {
return new Promise(async (resolve, reject) => {
try {
let datasets = await danfo.read_csv(stateVaccinationDataCSV);
let latestStateDataFrame;
latestStateDataFrame = datasets.query({
column: "state",
is: "==",
to: state
});
if (start_date) {
latestStateDataFrame = latestStateDataFrame.query({
column: "date",
is: ">=",
to: start_date
});
}
if (end_date) {
latestStateDataFrame = latestStateDataFrame.query({
column: "date",
is: "<=",
to: end_date
});
}
let latestStatistic = await latestStateDataFrame.to_json();
latestStatistic = JSON.parse(latestStatistic);
resolve({
status: "success",
data: latestStatistic
});
} catch (error) {
reject({
status: "error",
message: error.message
});
}
});
},
getStateLatestVaccinationStatistic({ state }) {
return new Promise(async (resolve, reject) => {
try {
let datasets = await danfo.read_csv(stateVaccinationDataCSV);
let latestStateDataFrame = datasets.sort_index({
ascending: false
});
if (state === undefined) {
latestStateDataFrame = latestStateDataFrame.head(16);
} else {
latestStateDataFrame = latestStateDataFrame.query({
column: "state",
is: "==",
to: state
});
latestStateDataFrame = latestStateDataFrame.head(1);
}
let latestStatistic = await latestStateDataFrame.to_json();
latestStatistic = JSON.parse(latestStatistic);
resolve({
status: "success",
data: latestStatistic[0] ? latestStatistic[0] : {}
});
} catch (error) {
reject({
status: "error",
message: error.message
});
}
});
},
getMalaysiaVaccinationRegistrationStatistic({ start_date, end_date }) {
return new Promise(async (resolve, reject) => {
try {
let datasets = await danfo.read_csv(
localVaccinationRegistrationCSV
);
if (start_date) {
datasets = datasets.query({
column: "date",
is: ">=",
to: start_date
});
}
if (end_date) {
datasets = datasets.query({
column: "date",
is: "<=",
to: end_date
});
}
let json = await datasets.to_json();
resolve({
status: "success",
data: JSON.parse(json)
});
} catch (error) {
reject({
status: "error",
message: error.message
});
}
});
},
getMalaysiaLatestVaccinationRegistrationStatistic() {
return new Promise(async (resolve, reject) => {
try {
let datasets = await danfo.read_csv(
localVaccinationRegistrationCSV
);
let latestLocalVaccinationRegDatasets = datasets.tail(1);
let latestStatistic = await latestLocalVaccinationRegDatasets.to_json();
latestStatistic = JSON.parse(latestStatistic);
resolve({
status: "success",
data: latestStatistic[0] ? latestStatistic[0] : {}
});
} catch (error) {
reject({
status: "error",
message: error.message
});
}
});
},
getStateVaccinationRegistrationStatistic({ state, start_date, end_date }) {
return new Promise(async (resolve, reject) => {
try {
let datasets = await danfo.read_csv(
stateVaccinationRegistrationCSV
);
let latestStateDataFrame;
latestStateDataFrame = datasets.query({
column: "state",
is: "==",
to: state
});
if (start_date) {
latestStateDataFrame = latestStateDataFrame.query({
column: "date",
is: ">=",
to: start_date
});
}
if (end_date) {
latestStateDataFrame = latestStateDataFrame.query({
column: "date",
is: "<=",
to: end_date
});
}
let latestStatistic = await latestStateDataFrame.to_json();
latestStatistic = JSON.parse(latestStatistic);
resolve({
status: "success",
data: latestStatistic
});
} catch (error) {
reject({
status: "error",
message: error.message
});
}
});
},
getStateLatestVaccinationRegistrationStatistic({ state }) {
return new Promise(async (resolve, reject) => {
try {
let datasets = await danfo.read_csv(
stateVaccinationRegistrationCSV
);
let latestStateDataFrame = datasets.sort_index({
ascending: false
});
if (state === undefined) {
latestStateDataFrame = latestStateDataFrame.head(16);
} else {
latestStateDataFrame = latestStateDataFrame.query({
column: "state",
is: "==",
to: state
});
latestStateDataFrame = latestStateDataFrame.head(1);
}
let latestStatistic = await latestStateDataFrame.to_json();
latestStatistic = JSON.parse(latestStatistic);
resolve({
status: "success",
data: latestStatistic[0] ? latestStatistic[0] : {}
});
} catch (error) {
reject({
status: "error",
message: error.message
});
}
});
},
getPopulationByState({ state }) {
return new Promise(async (resolve, reject) => {
try {
let latestStateDataFrame = await danfo.read_csv(populationCSV);
if (state !== undefined) {
latestStateDataFrame = latestStateDataFrame.query({
column: "state",
is: "==",
to: state
});
latestStateDataFrame = latestStateDataFrame.head(1);
}
let latestStatistic = await latestStateDataFrame.to_json();
latestStatistic = JSON.parse(latestStatistic);
resolve({
status: "success",
data: latestStatistic[0] ? latestStatistic[0] : {}
});
} catch (error) {
reject({
status: "error",
message: error.message
});
}
});
},
fetchLatestSummary() {
return new Promise(async (resolve, reject) => {
try {
const states = [
"Johor",
"Kedah",
"Kelantan",
"Melaka",
"Negeri Sembilan",
"Pahang",
"Perak",
"Perlis",
"Pulau Pinang",
"Sabah",
"Sarawak",
"Selangor",
"Terengganu",
"W.P. Kuala Lumpur",
"W.P. Labuan",
"W.P. Putrajaya"
];
let responseData = [];
let localVaccStat = await this.getMalaysiaLatestVaccinationStatistic();
let population = await this.getPopulationByState({
state: "Malaysia"
});
let localRegStat = await this.getMalaysiaLatestVaccinationRegistrationStatistic();
responseData.push({
nme: "Malaysia",
regtotal: localRegStat.data.total,
pop_18: population.data.pop_18,
pop: population.data.pop,
vakdose1: localVaccStat.data.cumul_partial,
vakdose2: localVaccStat.data.cumul_full,
vakdosecomplete: localVaccStat.data.cumul_full
});
for (let state of states) {
let stateVaccData = await this.getStateLatestVaccinationStatistic(
{ state }
);
let statePopulation = await this.getPopulationByState({
state
});
let stateReg = await this.getStateLatestVaccinationRegistrationStatistic(
{ state }
);
responseData.push({
nme: state,
regtotal: stateReg.data.total,
pop_18: statePopulation.data.pop_18,
pop: statePopulation.data.pop,
vakdose1: stateVaccData.data.cumul_partial,
vakdose2: stateVaccData.data.cumul_full,
vakdosecomplete: stateVaccData.data.cumul_full
});
}
let payload = {
data: responseData,
updated: new Date(localVaccStat.data.date).getTime()
};
resolve(payload);
} catch (error) {
console.log(error);
reject(error);
}
});
}
};