spee.ch/models/claim.js
2017-12-14 12:32:20 -08:00

421 lines
11 KiB
JavaScript

const logger = require('winston');
const { returnShortId } = require('../helpers/sequelizeHelpers.js');
const { publishing, site } = require('../config/speechConfig.js');
const { defaultTitle, defaultThumbnail, defaultDescription } = publishing;
const { host } = site;
function determineFileExtensionFromContentType (contentType) {
switch (contentType) {
case 'image/jpeg':
case 'image/jpg':
return 'jpeg';
case 'image/png':
return 'png';
case 'image/gif':
return 'gif';
case 'video/mp4':
return 'mp4';
default:
logger.debug('setting unknown file type as file extension jpeg');
return 'jpeg';
}
};
function determineContentTypeFromFileExtension (fileExtension) {
switch (fileExtension) {
case 'jpeg':
case 'jpg':
return 'image/jpeg';
case 'png':
return 'image/png';
case 'gif':
return 'image/gif';
case 'mp4':
return 'video/mp4';
default:
logger.debug('setting unknown file type as type image/jpeg');
return 'image/jpeg';
}
};
function ifEmptyReturnOther (value, replacement) {
if (value === '') {
return replacement;
}
return value;
}
function determineThumbnail (storedThumbnail, defaultThumbnail) {
return ifEmptyReturnOther(storedThumbnail, defaultThumbnail);
};
function determineOgTitle (storedTitle, defaultTitle) {
return ifEmptyReturnOther(storedTitle, defaultTitle);
};
function determineOgDescription (storedDescription, defaultDescription) {
return ifEmptyReturnOther(storedDescription, defaultDescription);
};
function determineOgThumbnailContentType (thumbnail) {
if (thumbnail) {
if (thumbnail.lastIndexOf('.') !== -1) {
return determineContentTypeFromFileExtension(thumbnail.substring(thumbnail.lastIndexOf('.')));
}
}
return '';
}
function addOpengraphDataToClaim (claim) {
claim['host'] = host;
claim['embedUrl'] = `${host}/${claim.claimId}/${claim.name}`;
claim['showUrl'] = `${host}/${claim.claimId}/${claim.name}`;
claim['source'] = `${host}/${claim.claimId}/${claim.name}.${claim.fileExt}`;
claim['directFileUrl'] = `${host}/${claim.claimId}/${claim.name}.${claim.fileExt}`;
claim['ogTitle'] = determineOgTitle(claim.title, defaultTitle);
claim['ogDescription'] = determineOgDescription(claim.description, defaultDescription);
claim['ogThumbnailContentType'] = determineOgThumbnailContentType(claim.thumbnail);
return claim;
};
function prepareClaimData (claim) {
// logger.debug('preparing claim data based on resolved data:', claim);
claim['thumbnail'] = determineThumbnail(claim.thumbnail, defaultThumbnail);
claim['fileExt'] = determineFileExtensionFromContentType(claim.contentType);
claim = addOpengraphDataToClaim(claim);
return claim;
};
module.exports = (sequelize, { STRING, BOOLEAN, INTEGER, TEXT, DECIMAL }) => {
const Claim = sequelize.define(
'Claim',
{
address: {
type : STRING,
default: null,
},
amount: {
type : DECIMAL(19, 8),
default: null,
},
claimId: {
type : STRING,
default: null,
},
claimSequence: {
type : INTEGER,
default: null,
},
decodedClaim: {
type : BOOLEAN,
default: null,
},
depth: {
type : INTEGER,
default: null,
},
effectiveAmount: {
type : DECIMAL(19, 8),
default: null,
},
hasSignature: {
type : BOOLEAN,
default: null,
},
height: {
type : INTEGER,
default: null,
},
hex: {
type : TEXT('long'),
default: null,
},
name: {
type : STRING,
default: null,
},
nout: {
type : INTEGER,
default: null,
},
txid: {
type : STRING,
default: null,
},
validAtHeight: {
type : INTEGER,
default: null,
},
outpoint: {
type : STRING,
default: null,
},
claimType: {
type : STRING,
default: null,
},
certificateId: {
type : STRING,
default: null,
},
author: {
type : STRING,
default: null,
},
description: {
type : TEXT('long'),
default: null,
},
language: {
type : STRING,
default: null,
},
license: {
type : STRING,
default: null,
},
licenseUrl: {
type : STRING,
default: null,
},
nsfw: {
type : BOOLEAN,
default: null,
},
preview: {
type : STRING,
default: null,
},
thumbnail: {
type : STRING,
default: null,
},
title: {
type : STRING,
default: null,
},
metadataVersion: {
type : STRING,
default: null,
},
contentType: {
type : STRING,
default: null,
},
source: {
type : STRING,
default: null,
},
sourceType: {
type : STRING,
default: null,
},
sourceVersion: {
type : STRING,
default: null,
},
streamVersion: {
type : STRING,
default: null,
},
valueVersion: {
type : STRING,
default: null,
},
channelName: {
type : STRING,
allowNull: true,
default : null,
},
},
{
freezeTableName: true,
}
);
Claim.associate = db => {
Claim.belongsTo(db.File, {
onDelete : 'cascade',
foreignKey: {
allowNull: true,
},
});
};
Claim.getShortClaimIdFromLongClaimId = function (claimId, claimName) {
logger.debug(`Claim.getShortClaimIdFromLongClaimId for ${claimName}#${claimId}`);
return new Promise((resolve, reject) => {
this
.findAll({
where: { name: claimName },
order: [['height', 'ASC']],
})
.then(result => {
switch (result.length) {
case 0:
throw new Error('No claim(s) found with that claim name');
default:
resolve(returnShortId(result, claimId));
}
})
.catch(error => {
reject(error);
});
});
};
Claim.getAllChannelClaims = function (channelClaimId) {
logger.debug(`Claim.getAllChannelClaims for ${channelClaimId}`);
return new Promise((resolve, reject) => {
this
.findAll({
where: { certificateId: channelClaimId },
order: [['height', 'ASC']],
raw : true, // returns an array of only data, not an array of instances
})
.then(channelClaimsArray => {
// logger.debug('channelclaimsarray length:', channelClaimsArray.length);
switch (channelClaimsArray.length) {
case 0:
return resolve(null);
default:
channelClaimsArray.forEach(claim => {
claim['fileExt'] = determineFileExtensionFromContentType(claim.contentType);
claim['thumbnail'] = determineThumbnail(claim.thumbnail, defaultThumbnail);
return claim;
});
return resolve(channelClaimsArray);
}
})
.catch(error => {
reject(error);
});
});
};
Claim.getClaimIdByLongChannelId = function (channelClaimId, claimName) {
logger.debug(`finding claim id for claim ${claimName} from channel ${channelClaimId}`);
return new Promise((resolve, reject) => {
this
.findAll({
where: { name: claimName, certificateId: channelClaimId },
order: [['id', 'ASC']],
})
.then(result => {
switch (result.length) {
case 0:
return resolve(null);
case 1:
return resolve(result[0].claimId);
default:
logger.error(`${result.length} records found for ${claimName} from channel ${claimName}`);
return resolve(result[0].claimId);
}
})
.catch(error => {
reject(error);
});
});
};
Claim.getLongClaimIdFromShortClaimId = function (name, shortId) {
return new Promise((resolve, reject) => {
this
.findAll({
where: {
name,
claimId: {
$like: `${shortId}%`,
}},
order: [['height', 'ASC']],
})
.then(result => {
switch (result.length) {
case 0:
return resolve(null);
default: // note results must be sorted
return resolve(result[0].claimId);
}
})
.catch(error => {
reject(error);
});
});
};
Claim.getTopFreeClaimIdByClaimName = function (name) {
return new Promise((resolve, reject) => {
this
.findAll({
where: { name },
order: [['effectiveAmount', 'DESC'], ['height', 'ASC']], // note: maybe height and effective amount need to switch?
})
.then(result => {
logger.debug('length of result', result.length);
switch (result.length) {
case 0:
return resolve(null);
default:
return resolve(result[0].dataValues.claimId);
}
})
.catch(error => {
reject(error);
});
});
};
Claim.validateLongClaimId = function (name, claimId) {
return new Promise((resolve, reject) => {
this.findOne({
where: {name, claimId},
})
.then(result => {
if (!result) {
return resolve(null);
};
resolve(claimId);
})
.catch(error => {
reject(error);
});
});
};
Claim.getLongClaimId = function (claimName, claimId) {
logger.debug(`getLongClaimId(${claimName}, ${claimId})`);
if (claimId && (claimId.length === 40)) { // if a full claim id is provided
return this.validateLongClaimId(claimName, claimId);
} else if (claimId && claimId.length < 40) {
return this.getLongClaimIdFromShortClaimId(claimName, claimId); // if a short claim id is provided
} else {
return this.getTopFreeClaimIdByClaimName(claimName); // if no claim id is provided
}
};
Claim.resolveClaim = function (name, claimId) {
return new Promise((resolve, reject) => {
this
.findAll({
where: { name, claimId },
})
.then(claimArray => {
logger.debug('claims found on resolve:', claimArray.length);
switch (claimArray.length) {
case 0:
return resolve(null);
case 1:
return resolve(prepareClaimData(claimArray[0].dataValues));
default:
logger.error(`more than one entry matches that name (${name}) and claimID (${claimId})`);
return resolve(prepareClaimData(claimArray[0].dataValues));
}
})
.catch(error => {
reject(error);
});
});
};
return Claim;
};